9 Best Smart Locks With Backup Power in 2027
AIThis post was created with the assistance of artificial intelligence (AI).

The best smart locks with backup power keep a low battery or Wi-Fi outage from turning into a lockout. I’d put the Wyze Auto-Lock Bolt v2 on the shortlist for its backup keys, while the eufy Security Smart Lock C220 and Tapo DL110 stand out for fingerprint entry and everyday convenience. The main tradeoff is between physical backup access, feature-rich keyless entry, and the extra setup or maintenance that connected locks can require. Backup methods differ, so a keypad, app, fingerprint reader, and mechanical key do not all help in the same failure scenario. Read on for how these nine options compare and which one best fits your door and household.

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9
compared
5
brands
4
connectivitys
Which smart locks with backup power should you buy?
★ Top Pick
eufy Security Smart Lock C220
Best Overall for Backup Access
Fingerprint, keypad, app, voice control, and physical-key entry provide alternatives if one method is unavailable.
See on Amazon →
Households that prefer replaceable AA batteries and want keypad, Bluetooth, and remote app access in one lock.
Tapo Smart Wi-Fi Deadbolt Door
Keypad, Bluetooth, and remote app access provide alternatives if one method is inconvenient.
View on Amazon →
Households wanting fingerprint entry, a rechargeable battery, and physical backup keys, with room for many registered users.
Tapo Smart Wi-Fi Door Lock
Rechargeable battery is rated for up to one year of use.
View on Amazon →
Homeowners who want fingerprint and keypad access plus both a physical key fallback and emergency USB-C power.
Wyze Auto-Lock Bolt v2 Fingerp
Backup keys and emergency USB-C power provide separate fallback options.
View on Amazon →
People replacing a deadbolt and lever handles together who want app, passcode, key, and voice-command access.
Philips WiFi Keypad Door Lock
Includes two lever handles as well as the lock, suiting a full hardware replacement.
View on Amazon →
Pros & cons at a glance
Tapo Smart Wi-Fi Deadbolt Door
✓ Keypad, Bluetooth, and remote app access provide alternatives if one method is inconvenient.
✗ Battery life is shorter in Wi-Fi mode, so owners should plan for regular battery checks.
Tapo Smart Wi-Fi Door Lock
✓ Rechargeable battery is rated for up to one year of use.
✗ Battery life can vary with usage and environmental conditions.
Wyze Auto-Lock Bolt v2 Fingerp
✓ Backup keys and emergency USB-C power provide separate fallback options.
✗ Battery life is listed as up to eight months and may vary with use.
Philips WiFi Keypad Door Lock
✓ Includes two lever handles as well as the lock, suiting a full hardware replacement.
✗ Eight AA batteries are not included.
Yale WiFi Smart Lock Deadbolt
✓ Supports unlimited user codes and scheduling for managing shared access.
✗ The supplied product data does not state battery type or battery life.
eufy Security Smart Lock C220
✓ Fingerprint, keypad, app, voice control, and physical-key entry provide alternatives if one method is unavailable.
✗ Battery life varies with use, so the stated interval is not a guarantee.
Philips Wi-Fi Smart Deadbolt L
✓ Fingerprint recognition is specified at 0.3 seconds.
✗ The supplied specifications do not state battery type or battery life.
Philips Smart Lock
✓ IP54 rating and a wide stated temperature range suit exposed entry doors.
✗ Eight AA batteries are not included and need periodic replacement.
Philips WiFi Keypad Door Lock
✓ Includes two door levers, latch assembly, and installation hardware as well as the smart lock.
✗ Eight AA alkaline batteries are not included.

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Key Takeaways

  • Backup keys make the Wyze Auto-Lock Bolt v2 distinctive: its physical-key fallback addresses a different failure case than a fingerprint reader or phone app.
  • Fingerprint access is a standout convenience feature on the Tapo DL110, eufy C220, and some Philips models, but it should not be mistaken for backup power.
  • Philips has the broadest range in this lineup: options include keypad deadbolts, Wi-Fi models, and handle sets, so matching the hardware to the door matters.
  • The Yale WiFi Smart Lock Deadbolt centers on keypad access, while models with fingerprint readers add another way in but bring more features to set up and maintain.
  • Backup plans are not interchangeable: check whether a specific model offers a physical key, keypad access during a network outage, or another fallback before choosing.
2
Tapo Smart Wi-Fi Door Lock
Best Rechargeable Option
1
Tapo Smart Wi-Fi Deadbolt Door
Best for Long Battery Life
3
Wyze Auto-Lock Bolt v2 Fingerp
Best for Physical and USB-C Backup

Our Top Best Smart Locks With Backup Power Picks

Tapo Smart Wi-Fi Deadbolt Door Lock, Keyless Tactile Buttons, DL100Tapo Smart Wi-Fi Deadbolt Door Lock, Keyless Tactile Buttons, DL100Best for Long Battery LifePower source: 4 AA batteries, includedBattery life: Up to 200 days in Wi-Fi mode; up to 300 days in Bluetooth modeConnectivity: Wi-Fi and BluetoothVIEW LATEST PRICESee Our Full Breakdown
Tapo Smart Wi-Fi Door Lock, Deadbolt, Fingerprint Recognition, DL110Tapo Smart Wi-Fi Door Lock, Deadbolt, Fingerprint Recognition, DL110Best Rechargeable OptionBattery type: RechargeableBattery life: Up to 1 yearAccess methods: Fingerprint, keypad passcodes, Wi-Fi, Bluetooth, voice assistants, and backup keysVIEW LATEST PRICESee Our Full Breakdown
Wyze Auto-Lock Bolt v2 Fingerprint Smart Lock with Wi-Fi, Keyless Entry, Auto-Lock, and Backup KeysWyze Auto-Lock Bolt v2 Fingerprint Smart Lock with Wi-Fi, Keyless Entry, Auto-Lock, and Backup KeysBest for Physical and USB-C BackupBattery type: 8 AA batteries includedBattery life: Up to 8 monthsEmergency power: USB-CVIEW LATEST PRICESee Our Full Breakdown
Philips WiFi Keypad Door Lock with Handle, App Control Smart Deadbolt LockPhilips WiFi Keypad Door Lock with Handle, App Control Smart Deadbolt LockBest for Handle-and-Lock ReplacementBattery type: 8 AA batteries, not includedBattery life: Up to 6 monthsIncluded hardware: Door lock and 2 lever handlesVIEW LATEST PRICESee Our Full Breakdown
Yale WiFi Smart Lock Deadbolt with Keypad, Keyless Entry, Black SuedeYale WiFi Smart Lock Deadbolt with Keypad, Keyless Entry, Black SuedeBest for Shared Access ManagementModel: YRD410-WF1-BSPConnectivity: Wi-Fi smart module includedAccess method: Backlit keypad and Yale Access appVIEW LATEST PRICESee Our Full Breakdown
eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lockeufy Security Smart Lock C220, Fingerprint Keyless Entry Door LockBest Overall for Backup AccessUnlock methods: Fingerprint, keypad, app, voice (Alexa/Google), physical keyBatteries: 8 AA batteriesStated battery life: Up to 8 monthsVIEW LATEST PRICESee Our Full Breakdown
Philips Wi-Fi Smart Deadbolt Lock, Keyless Entry Door Lock for Front DoorPhilips Wi-Fi Smart Deadbolt Lock, Keyless Entry Door Lock for Front DoorBest for Fast Fingerprint EntryModel: DDL242X-1HWUnlock methods: Fingerprint, passcode, key, voice, remote appFingerprint recognition: 0.3 secondsVIEW LATEST PRICESee Our Full Breakdown
Philips Smart Lock, WiFi Keyless Deadbolt with App Control, Alexa & Google Support, IP54 Waterproof, BlackPhilips Smart Lock, WiFi Keyless Deadbolt with App Control, Alexa & Google Support, IP54 Waterproof, BlackBest for Weather ExposureModel: DDL242X-15HWBatteries: 8 AA batteries; not includedStated battery life: 6 monthsVIEW LATEST PRICESee Our Full Breakdown
Philips WiFi Keypad Door Lock with Handle, Built-in WiFi, APP Remote Control, Voice & Fingerprint Unlock, Satin NickelPhilips WiFi Keypad Door Lock with Handle, Built-in WiFi, APP Remote Control, Voice & Fingerprint Unlock, Satin NickelBest Handle-and-Lock SetModel: DDL242X-1HWBatteries: 8 AA alkaline batteries; not includedDoor thickness compatibility: 1⅜ to 1¾ inches (38 to 50 mm)VIEW LATEST PRICESee Our Full Breakdown

More Details on Our Top Picks

  1. Tapo Smart Wi-Fi Deadbolt Door Lock, Keyless Tactile Buttons, DL100

    Tapo Smart Wi-Fi Deadbolt Door Lock, Keyless Tactile Buttons, DL100

    Best for Long Battery Life

    View Latest Price

    The Tapo DL100 suits buyers who want several ways to get inside without making a rechargeable pack or fingerprint reader central to the decision. Its four AA batteries are replaceable, and the stated life reaches up to 200 days with Wi-Fi or 300 days on Bluetooth. That makes battery planning straightforward, though it still requires periodic replacement. Keypad, Bluetooth, and app access add flexibility, while the listed emergency power option provides another fallback if the batteries run down. Compared with the rechargeable Tapo DL110, the DL100 gives up fingerprint entry and a longer stated battery interval, but uses familiar AA cells. Its BHMA Grade 3 certification is a meaningful limit for buyers prioritizing a higher grade, and setup may take more effort than a basic keypad lock.

    Pros:
    • Keypad, Bluetooth, and remote app access provide alternatives if one method is inconvenient.
    • Uses four included AA batteries, which are simple to replace.
    • Listed battery life is up to 200 days on Wi-Fi and 300 days on Bluetooth.
    • Compatible with Alexa, Google Home, and Samsung SmartThings.
    Cons:
    • Battery life is shorter in Wi-Fi mode, so owners should plan for regular battery checks.
    • BHMA Grade 3 may not suit buyers seeking a higher certified grade.
    • Installation may require technical setup.

    Best for: Households that prefer replaceable AA batteries and want keypad, Bluetooth, and remote app access in one lock.

    Not ideal for: Buyers seeking fingerprint entry or a higher BHMA grade; the DL100 has neither listed.

    • Power source:4 AA batteries, included
    • Battery life:Up to 200 days in Wi-Fi mode; up to 300 days in Bluetooth mode
    • Connectivity:Wi-Fi and Bluetooth
    • Access methods:Keypad, Bluetooth, and remote app control
    • Certification:BHMA Grade 3
    • Smart home compatibility:Alexa, Google Home, and Samsung SmartThings
    • Outdoor dimensions:5.88 x 2.65 x 2.2 inches
    Our verdict
    “Choose the DL100 if replaceable AA power and multiple entry methods matter more than fingerprint access or a higher security grade.”
  2. Tapo Smart Wi-Fi Door Lock, Deadbolt, Fingerprint Recognition, DL110

    Tapo Smart Wi-Fi Door Lock, Deadbolt, Fingerprint Recognition, DL110

    Best Rechargeable Option

    View Latest Price

    The Tapo DL110 is the clearest fit here for buyers who want backup access built into a rechargeable smart lock: alongside fingerprint, keypad, Wi-Fi, and Bluetooth entry, it lists backup keys. Its battery is rated for up to a year, although real life can vary with use and conditions, so that figure should not replace occasional charge checks. Fingerprint recognition is specified at 0.42 seconds, and storage for up to 100 fingerprints can simplify access for a household or regular visitors. Compared with the AA-powered Tapo DL100, the DL110 trades easy cell replacement for a rechargeable battery and adds biometric entry. That convenience comes with a caveat: fingerprint performance can be affected by environmental conditions, and the product is described for external installation only.

    Pros:
    • Rechargeable battery is rated for up to one year of use.
    • Fingerprint, keypad, Wi-Fi, Bluetooth, voice assistants, and backup keys provide varied entry options.
    • Stores up to 100 fingerprints for household members and guests.
    • Includes installation tools and lists auto-lock, activity logs, and real-time alerts.
    Cons:
    • Battery life can vary with usage and environmental conditions.
    • Fingerprint recognition may be less reliable in some conditions.
    • Described as an external-installation lock, limiting fit for buyers seeking broader placement options.

    Best for: Households wanting fingerprint entry, a rechargeable battery, and physical backup keys, with room for many registered users.

    Not ideal for: Buyers who prefer replaceable standard batteries or need a lock confirmed for both exterior and interior installation.

    • Battery type:Rechargeable
    • Battery life:Up to 1 year
    • Access methods:Fingerprint, keypad passcodes, Wi-Fi, Bluetooth, voice assistants, and backup keys
    • Fingerprint recognition speed:0.42 seconds
    • Fingerprint capacity:Up to 100 fingerprints
    • Connectivity:Wi-Fi and Bluetooth
    • Smart home compatibility:Amazon Alexa, Google Home, and Samsung SmartThings
    Our verdict
    “Pick the DL110 if rechargeable power and fast fingerprint access are your priorities, and keep its backup keys as a physical fallback.”
  3. Wyze Auto-Lock Bolt v2 Fingerprint Smart Lock with Wi-Fi, Keyless Entry, Auto-Lock, and Backup Keys

    Wyze Auto-Lock Bolt v2 Fingerprint Smart Lock with Wi-Fi, Keyless Entry, Auto-Lock, and Backup Keys

    Best for Physical and USB-C Backup

    View Latest Price

    The Wyze Lock Bolt v2 stands out for naming two distinct fallback routes: backup keys and emergency USB-C power. That combination is useful for buyers who want a physical way in as well as a way to supply power if the battery is depleted. Fingerprint entry, keypad codes, and Wi-Fi app control cover everyday access, while the adaptive scanner is described as learning to improve recognition over time. Against the rechargeable Tapo DL110, Wyze offers the explicit USB-C emergency-power detail, but its battery life is listed at up to eight months rather than up to a year. Its IP53 rating indicates a weather-resistance limit, so it is less compelling for exposed doors than a lock with a higher stated protection level.

    Pros:
    • Backup keys and emergency USB-C power provide separate fallback options.
    • Fingerprint scanner is described as unlocking in under half a second.
    • Wi-Fi and app control support remote management.
    • Adaptive fingerprint technology is designed to improve recognition over time.
    Cons:
    • Battery life is listed as up to eight months and may vary with use.
    • IP53 weather resistance is not a fully weatherproof rating.
    • Remote features depend on a Wi-Fi connection.

    Best for: Homeowners who want fingerprint and keypad access plus both a physical key fallback and emergency USB-C power.

    Not ideal for: Buyers with a highly exposed entry or those who need long battery intervals; its IP53 rating and up-to-eight-month battery life are constraints.

    • Battery type:8 AA batteries included
    • Battery life:Up to 8 months
    • Emergency power:USB-C
    • Backup access:Backup keys
    • Access methods:Fingerprint, keypad, and app control
    • Connectivity:Wi-Fi
    • Weather resistance:IP53
    Our verdict
    “Choose Wyze if you value named key and USB-C power fallbacks more than a longer stated battery interval or stronger weather protection.”
  4. Philips WiFi Keypad Door Lock with Handle, App Control Smart Deadbolt Lock

    Philips WiFi Keypad Door Lock with Handle, App Control Smart Deadbolt Lock

    Best for Handle-and-Lock Replacement

    View Latest Price

    The Philips WiFi Keypad Door Lock with Handle is a practical pick for someone replacing both the deadbolt and the door handles, rather than adding a keypad to existing hardware. Its included pair of lever handles makes that broader fit part of the package, while eight AA batteries power the lock for a stated up to six months. The listed IP54 rating and broad temperature range give it a stronger weather-resistance specification than the Wyze Lock Bolt v2’s IP53 rating. In exchange, the Philips requires batteries that are not included, and the six-month interval is shorter than the Tapo DL100’s stated Wi-Fi battery life. It supports keys, passcodes, app control, and voice commands, but remote functions rely on Wi-Fi.

    Pros:
    • Includes two lever handles as well as the lock, suiting a full hardware replacement.
    • Keys, passcodes, app control, and voice commands give users several access routes.
    • IP54 rating and a listed operating range from -31°F to 150°F suit varied conditions.
    • Supports up to 100 passwords and auto-lock.
    Cons:
    • Eight AA batteries are not included.
    • Battery life is listed at up to six months, shorter than the Tapo DL100’s stated Wi-Fi interval.
    • Remote control features require Wi-Fi, which may be unreliable at some entry points.

    Best for: People replacing a deadbolt and lever handles together who want app, passcode, key, and voice-command access.

    Not ideal for: Buyers who only need a deadbolt replacement or want included batteries and a longer stated replacement interval.

    • Battery type:8 AA batteries, not included
    • Battery life:Up to 6 months
    • Included hardware:Door lock and 2 lever handles
    • Access methods:Keys, passcodes, app control, and voice commands
    • Connectivity:Wi-Fi
    • Weather resistance:IP54
    • Door compatibility:Cross bore 1-1/2 or 2-1/8 inches; door thickness 1-3/8 to 2 inches
    Our verdict
    “Choose this Philips model when you need a coordinated handle-and-deadbolt replacement and accept supplying and monitoring its AA batteries.”
  5. Yale WiFi Smart Lock Deadbolt with Keypad, Keyless Entry, Black Suede

    Yale WiFi Smart Lock Deadbolt with Keypad, Keyless Entry, Black Suede

    Best for Shared Access Management

    View Latest Price

    The Yale Assure Lock 2 is the strongest match in this group for managing access across many people: it supports unlimited user codes, schedules, auto-lock, and DoorSense. Those features help households coordinate access without handing out physical keys, while the backlit keypad offers a direct entry method when a phone is inconvenient. The included Wi-Fi module enables remote app control and alerts, but the supplied product data does not specify battery type, battery life, or an emergency power method. That makes it harder to rank as a backup-power choice than the Wyze Lock Bolt v2, which explicitly lists USB-C emergency power and backup keys. Buyers should confirm the power-failure procedure before choosing Yale if backup power is their primary requirement.

    Pros:
    • Supports unlimited user codes and scheduling for managing shared access.
    • Backlit keypad provides code entry without relying on a phone.
    • Includes a Wi-Fi smart module for app-based remote control.
    • DoorSense and automatic locking add door-status and locking functions.
    Cons:
    • The supplied product data does not state battery type or battery life.
    • No emergency power method or backup key detail is specified in the supplied data.
    • Full remote features require Wi-Fi.

    Best for: Busy households, landlords, or shared-entry homes that need many distinct access codes, schedules, and remote status updates.

    Not ideal for: Buyers whose main requirement is a clearly specified emergency power method or a known battery replacement interval.

    • Model:YRD410-WF1-BSP
    • Connectivity:Wi-Fi smart module included
    • Access method:Backlit keypad and Yale Access app
    • User codes:Unlimited
    • Access management:Schedules and real-time alerts
    • Locking features:Auto-lock and DoorSense
    • Warranty:Lifetime limited warranty on finish and mechanical components; 1 year on electronics
    Our verdict
    “Choose Yale for flexible access-code management, but favor Wyze if a documented emergency power route is your deciding factor.”
  6. eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock

    eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock

    Best Overall for Backup Access

    View Latest Price

    The C220 earns my top spot here because it pairs three practical fallback routes—keypad, fingerprint, and a physical key—with built-in Wi-Fi, so remote control does not require a separate bridge. Its listed power source is eight AA batteries, with a stated life of up to eight months; that gives buyers a clear replacement reference, though usage can shorten the interval. Compared with the Philips DDL242X-15HW, the C220 specifies a longer battery-life estimate and includes two physical keys, while the Philips model supplies an IP54 rating and a stated temperature range. The C220’s Grade 3 certification and standard-deadbolt fit add useful buying clarity. The tradeoff is that its fingerprint reader may need time to learn, and this battery-powered design still depends on keeping fresh cells available.

    Pros:
    • Fingerprint, keypad, app, voice control, and physical-key entry provide alternatives if one method is unavailable.
    • Built-in Wi-Fi supports remote access without a separate bridge.
    • Eight AA batteries have a stated life of up to eight months.
    • BHMA Grade 3 certification and compatibility with most standard deadbolts are specified.
    Cons:
    • Battery life varies with use, so the stated interval is not a guarantee.
    • Fingerprint recognition may be less accurate while the self-learning system adjusts.
    • Fit depends on having a compatible standard deadbolt.

    Best for: Homeowners with a compatible standard deadbolt who want remote access, several ways to enter, and a stated battery-life estimate.

    Not ideal for: Buyers who need a handle-and-lock set, want rechargeable or externally powered backup, or have a nonstandard deadbolt.

    • Unlock methods:Fingerprint, keypad, app, voice (Alexa/Google), physical key
    • Batteries:8 AA batteries
    • Stated battery life:Up to 8 months
    • Wi-Fi:Built-in; no bridge required
    • Deadbolt compatibility:Most standard deadbolts; bore size under 54 mm
    • Certification:BHMA Grade 3
    • Operating temperature:-22°F to 158°F (-30°C to 70°C)
    • Fingerprint technology:Self-learning AI recognition
    Our verdict
    “I’d choose the C220 for a standard-deadbolt door when a physical key, keypad, and documented AA-battery life matter alongside remote access.”
  7. Philips Wi-Fi Smart Deadbolt Lock, Keyless Entry Door Lock for Front Door

    Philips Wi-Fi Smart Deadbolt Lock, Keyless Entry Door Lock for Front Door

    Best for Fast Fingerprint Entry

    View Latest Price

    The clearest reason to choose this Philips deadbolt is its stated 0.3-second fingerprint recognition, paired with passcode, key, voice, and app access. That mix gives household members several ways in without making the backup plan depend on a phone. It also lists real-time alerts and remote access, which can help an owner monitor entry when away. Compared with the eufy C220, though, this model provides no battery type or life estimate in the supplied details, making it harder to plan replacements—the central drawback in a backup-power roundup. The C220 also explicitly includes batteries and two keys, while this Philips listing only identifies the lock itself as an included component. I’d favor this pick for speed and access alerts, but buyers should confirm battery requirements and backup-entry details before choosing it.

    Pros:
    • Fingerprint recognition is specified at 0.3 seconds.
    • Fingerprint, passcode, key, voice, and app access offer varied entry methods.
    • Real-time alerts and remote access support entry monitoring.
    • Alexa and Google Assistant compatibility is listed.
    Cons:
    • The supplied specifications do not state battery type or battery life.
    • Remote features require a Wi-Fi connection.
    • Setup may be complex for buyers who want a simple installation process.

    Best for: Households that prioritize quick fingerprint entry, remote access alerts, and multiple credentials, and are willing to verify power details before purchase.

    Not ideal for: Buyers who want a clearly stated battery lifespan, included spare batteries, or a fully documented backup-power plan.

    • Model:DDL242X-1HW
    • Unlock methods:Fingerprint, passcode, key, voice, remote app
    • Fingerprint recognition:0.3 seconds
    • Remote access:App control
    • Alerts:Real-time alerts
    • Voice assistants:Alexa and Google Assistant
    • Included components:1 door lock
    Our verdict
    “I’d shortlist this Philips for fast biometric entry and alerts, but choose the eufy C220 instead if a documented battery plan is the priority.”
  8. Philips Smart Lock, WiFi Keyless Deadbolt with App Control, Alexa & Google Support, IP54 Waterproof, Black

    Philips Smart Lock, WiFi Keyless Deadbolt with App Control, Alexa & Google Support, IP54 Waterproof, Black

    Best for Weather Exposure

    View Latest Price

    This Philips model stands out for buyers whose lock faces wet or changeable weather: its IP54 rating and listed operating range of -31°F to 150°F give the environmental details that the Philips DDL242X-1HW listing does not provide. For backup power planning, it is also more transparent than that model, specifying eight AA batteries with a six-month lifespan. That interval is shorter than the eufy C220’s stated eight months, and the batteries are not included, so I’d budget for replacements and keep spares on hand. App notifications, passcodes, keys, and voice control add different ways to manage access, but they do not replace a clear low-battery plan. The main compromise is reliance on Wi-Fi for remote features, plus the need to buy and periodically change the batteries.

    Pros:
    • IP54 rating and a wide stated temperature range suit exposed entry doors.
    • Eight AA batteries have a stated lifespan of six months.
    • Passcode, physical key, app, and voice options provide multiple access routes.
    • App notifications and security alerts support remote monitoring.
    Cons:
    • Eight AA batteries are not included and need periodic replacement.
    • Its stated six-month battery life is shorter than the eufy C220’s estimate.
    • Remote functions depend on Wi-Fi, so network problems can limit app access.

    Best for: Owners fitting a weather-exposed door who want a stated battery interval, app alerts, and a listed water-resistance rating.

    Not ideal for: Buyers who need batteries included, want longer stated battery life, or have unreliable Wi-Fi for remote management.

    • Model:DDL242X-15HW
    • Batteries:8 AA batteries; not included
    • Stated battery life:6 months
    • Waterproof level:IP54
    • Temperature range:-31°F to 150°F (-35°C to 66°C)
    • Unlock methods:App, voice, key, passcode
    • Pressure resistance:2200 N
    • Smart features:Auto-lock, real-time notifications and security alerts
    Our verdict
    “I’d pick this Philips over the eufy C220 for a weather-exposed door, but the C220 is the stronger fit if longer stated battery life matters more.”
  9. Philips WiFi Keypad Door Lock with Handle, Built-in WiFi, APP Remote Control, Voice & Fingerprint Unlock, Satin Nickel

    Philips WiFi Keypad Door Lock with Handle, Built-in WiFi, APP Remote Control, Voice & Fingerprint Unlock, Satin Nickel

    Best Handle-and-Lock Set

    View Latest Price

    Unlike the other picks here, this Philips comes with a door lever and latch assembly, making it a more complete option for someone replacing both the handle and lock rather than upgrading a deadbolt alone. Its backup-access mix includes fingerprint and keypad entry, while built-in Wi-Fi supports app management and monitoring. Power planning is less reassuring: the listing calls for eight AA alkaline batteries, not included, but supplies no battery-life estimate. That leaves the eufy C220 ahead for buyers who want a stated replacement interval, and the Philips DDL242X-15HW ahead for those who need a listed weather rating. I’d make this choice when the matching handle set is the deciding factor, after checking the stated door-thickness range and confirming the claimed voice feature for the exact configuration.

    Pros:
    • Includes two door levers, latch assembly, and installation hardware as well as the smart lock.
    • Fingerprint, keypad, app, and voice access are described.
    • Built-in Wi-Fi supports remote app management and access monitoring.
    • Auto-lock can reduce the chance of leaving the door unsecured.
    Cons:
    • Eight AA alkaline batteries are not included.
    • No battery-life estimate is provided, complicating replacement planning.
    • Door thickness must fall within the listed 1⅜- to 1¾-inch range.

    Best for: Renovators or landlords replacing a compatible door handle and lock together who want keypad and fingerprint access with app management.

    Not ideal for: Buyers who only need a deadbolt, want batteries included, or need a documented battery-life estimate before purchase.

    • Model:DDL242X-1HW
    • Batteries:8 AA alkaline batteries; not included
    • Door thickness compatibility:1⅜ to 1¾ inches (38 to 50 mm)
    • Included components:Two door levers, latch assembly, mounting screws, installation hardware, lock, user manual
    • Unlock methods:Fingerprint, keypad, app; voice commands are described
    • Connectivity:Built-in Wi-Fi
    • Smart features:Remote app control, auto-lock, access monitoring
    • Recommended uses:Front door, backyard door, office door, rental properties
    Our verdict
    “I’d choose this Philips when replacing the handle and lock as a set matters more than a documented battery interval or a deadbolt-only design.”
best smart locks with backup power
What makes a great smart locks with backup power
1
Separate battery backup from backup access
A lock’s batteries power its electronics; a backup entry method gives you another way to open the door.
2
Plan for network and phone failures separately
Wi-Fi loss and a dead lock battery are different problems.
3
Check door fit before choosing a feature set
Smart deadbolts are not automatically compatible with every door, existing bore hole, or handle arrangement.
4
Match entry methods to the people using the door
Keypads can work well when several people need access without carrying a key, while fingerprint entry may speed up routine access
How to choose your smart locks with backup power
1
How we picked
I ranked these locks by how clearly their access methods and backup options can serve a buyer when the everyday method f
2
Separate battery backup from backup access
A lock’s batteries power its electronics; a backup entry method gives you another way to open the door.
3
Plan for network and phone failures separately
Wi-Fi loss and a dead lock battery are different problems.
4
Check door fit before choosing a feature set
Smart deadbolts are not automatically compatible with every door, existing bore hole, or handle arrangement.
5
Match entry methods to the people using the door
Keypads can work well when several people need access without carrying a key, while fingerprint entry may speed up routi
Vetted smart locks with backup power ·
The best smart locks with backup power, compared
★ Winner eufy Security Smart Lock C220
Best Overall for Backup Access
9compared
4connectivitys

How We Picked

I ranked these locks by how clearly their access methods and backup options can serve a buyer when the everyday method fails. I gave weight to the kind of fallback available, the range of entry methods, and whether the model is a deadbolt alone or includes a handle set. I also considered practical ownership questions: how much the lock depends on Wi-Fi or an app, whether the feature set may add setup demands, and how well the product’s design fits a household’s access habits.

The order reflects role and decision value, not a claim that every lock has the same backup mechanism. The Wyze model earns attention for explicitly including backup keys; the eufy and Tapo fingerprint models appeal to households prioritizing quick keyless entry. Keypad-focused Yale and Philips choices suit buyers who want code access, while Philips handle-set options are relevant when replacing more than a deadbolt. Buyers should verify the exact fallback method and door compatibility for the specific model before purchase.

Everyday → specialist
Everyday & valuePremium & specialist
Which smart locks with backup power fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Best Smart Locks With Backup Power

Backup power is only one part of lockout protection. I’d choose based on what can fail at your door, who needs access, and how much hardware you are replacing—not just the number of smart features listed.

Separate battery backup from backup access

A lock’s batteries power its electronics; a backup entry method gives you another way to open the door. A keypad may still rely on the lock’s battery, while a physical key can provide a separate route if the electronics stop responding. Fingerprint recognition is convenient, but it is not an independent power source. Before buying, find the product documentation’s exact instructions for low-battery and dead-battery situations. Avoid assuming that app control, Wi-Fi, or a fingerprint reader will work when the lock has no power.

Plan for network and phone failures separately

Wi-Fi loss and a dead lock battery are different problems. A keypad or local entry method may remain available during an internet outage, but remote app control can be unavailable. Phone access can also fail if your phone is out of charge, misplaced, or not set up for that user. Think through a realistic backup sequence: what will a household member do if the network is down, and what if the lock itself has no power? Choose a lock with a fallback that does not depend on the same device or service you use every day.

Check door fit before choosing a feature set

Smart deadbolts are not automatically compatible with every door, existing bore hole, or handle arrangement. Measure the door and compare its preparation with the manufacturer’s fit requirements before ordering. A lock sold with a handle may suit a full hardware replacement, while a deadbolt-only model can be a simpler match when the existing handle stays. Check door thickness, backset, and whether the door and frame align cleanly. A feature-rich model is a poor fit if installation requires changes you did not plan to make.

Match entry methods to the people using the door

Keypads can work well when several people need access without carrying a key, while fingerprint entry may speed up routine access for users whose prints the lock recognizes. App-based controls can help with remote management but may add account and setup work. Consider guests, children, older household members, and anyone who may struggle with a small screen or remembering a code. A household with varied needs may benefit more from multiple usable entry methods than from one advanced feature. Decide who will manage codes and permissions before installation.

Budget for battery upkeep and alerts

A backup method does not remove the need to maintain batteries. Check the manufacturer’s battery type, expected replacement routine, and low-battery warning approach. App notifications can be useful, but they are less helpful if the lock is not connected or the phone’s alerts are muted. Set a recurring check rather than waiting for a warning at the door. Keep the recommended replacement batteries accessible, and confirm whether changing them affects settings or access credentials.

Pay for the feature that solves your actual failure case

Extra connectivity, fingerprint access, and bundled handles can add convenience, but they do not all improve backup access. If your main concern is being locked out when electronics fail, prioritize a clearly documented independent entry method. If the concern is sharing access without distributing keys, a keypad may matter more. A handle set can make sense when replacing the full entry hardware, but it is unnecessary if the existing handle works and only the deadbolt needs changing. Rank your likely use cases before comparing feature lists so you do not pay for functions your household will rarely use.

Frequently Asked Questions

Does a smart lock with a keypad still work if the batteries die?

Usually, a keypad needs the lock’s electronics to have power, so a code is not automatically a dead-battery solution. Some models provide a separate method for restoring power or opening the lock, but the procedure varies by product. Check the exact model instructions rather than assuming all keypad locks behave alike. If you want a fallback independent of the lock’s electronics, look for a clearly documented physical key or another manufacturer-specified emergency method. Keep that method accessible to someone who can reach the door.

Will a smart lock still open if my Wi-Fi or internet goes down?

A network outage can disable remote features without necessarily disabling every way to unlock the door. Keypad or fingerprint entry may work locally on some locks, but the answer depends on the specific model and its power state. App commands sent over the internet are more likely to be unavailable when the connection is down. Confirm which functions work offline in the product documentation before relying on them for household access. For resilience, choose an entry method that does not depend on your router or phone service.

Is a physical key a better backup than fingerprint entry?

They address different needs. A physical key can provide a mechanical route when electronic access is unavailable, while a fingerprint reader offers convenient keyless entry during normal powered operation. A fingerprint sensor should not be treated as backup power, and a key can be misplaced or unavailable to another household member. Decide which failure worries you most, then check whether the lock gives you a fallback suited to it. For households that want more than one route in, compare models by their complete set of access methods rather than by one headline feature.

Should I replace my deadbolt only or buy a lock with a handle set?

Choose a deadbolt-only model if your current handle is compatible, in good condition, and you want to change only the locking hardware. A handle-set lock can make more sense when you are replacing the whole entry set or want matching hardware. The larger replacement may involve more measurements and installation steps, so check door preparation and included components before ordering. Do not assume a handle package fits every existing door simply because it is sold as a front-door lock. Compare the installation requirements with your current hardware first.

What should I check before buying a smart lock for a rental or shared household?

Start with permission to change the hardware and confirm whether the original lock must be restored when you leave. Then consider how access codes or app permissions can be issued, changed, and removed as occupants change. A keypad can simplify access for people who should not need a physical key, but someone still needs to manage codes and battery upkeep. Ask whether every resident can use the chosen entry method comfortably, including during a phone or network problem. Keep a documented backup plan that does not depend on one person being available.

Conclusion

For the clearest backup-key angle, I’d start with the Wyze Auto-Lock Bolt v2; it is the best overall fit in this roundup for buyers who want a named physical fallback alongside smart access. The Philips Wi-Fi Smart Deadbolt is my best-value direction for shoppers seeking a simpler deadbolt-focused option, while the Philips WiFi Keypad Door Lock with Handle is the best premium-style choice for replacing both the lock and handle with a more feature-rich setup. For beginners who want familiar code-based entry, the Yale WiFi Smart Lock Deadbolt is the straightforward shortlist pick. If fingerprint access is the priority, compare the eufy C220 and Tapo DL110; if you want a handle set with fingerprint entry, look at the Philips satin nickel model. Before deciding, confirm the exact battery-failure procedure, door fit, and backup method for the model you choose.

FALL

Fall Picks

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