The short answer: Protocol matters more than battery size. Yale on Bluetooth lasts 12+ months; same lock on Wi-Fi drops to 3-6.
The single biggest lie in smart lock marketing is the battery life claim. "Up to 12 months" is technically true for some locks in some conditions — conditions that do not match how most people actually use them. If you run your lock on Wi-Fi with auto-lock enabled, you are not getting 12 months. You might get three.
We dug into manufacturer specs, expert reviews, and real-world user reports for the best smart door locks to build the SHE Battery Endurance Score — a proprietary ranking that weights what actually matters: real-world life versus claimed life, protocol efficiency, annual battery cost, low-battery warning reliability, and backup access when the battery finally dies. Here is what we found.
How We Measure Battery Life
The SHE Battery Endurance Score uses a weighted formula across seven factors:
- Real-World Life (30%): Average reported battery life from verified user reviews and expert long-term tests — not manufacturer best-case claims
- Claim Accuracy (15%): How close manufacturer claims are to real-world outcomes (a lock claiming 6 months and delivering 6 months scores higher than one claiming 12 months and delivering 4)
- Protocol Efficiency (20%): Wi-Fi draws dramatically more power than Bluetooth or Thread; locks that can operate without Wi-Fi score higher
- Annual Battery Cost (10%): Actual dollar cost per year including replacement frequency and battery type
- Convenience (10%): Rechargeable batteries, battery type availability, and ease of replacement
- Low-Battery Warning (10%): Whether the lock gives you sufficient warning before dying — and whether that warning actually works reliably
- Backup Access (5%): Physical key, emergency USB power, or alternative entry when the battery is fully dead
Scores run 0–100. We ran this against six of the most widely-reviewed smart locks on the market in early 2026.
Smart Lock Battery Life
Chart
Smarthomeexplorer.com
August WiFi Smart Lock 4th Gen — Best for Retrofit Renters
August WiFi Smart Lock 4th Gen
(Current Price, subject to change)
The August WiFi Smart Lock 4th Gen has the worst battery life on this list. That is the honest answer, and it is worth saying plainly before anything else: the two CR123 lithium batteries last about four months under typical use, and they cost more to replace than the AA batteries every other lock here uses. You will spend $20-30 per year just on batteries.
So why is it on this list at all? Because battery life is not the only thing that matters, and for renters or anyone who cannot modify their door, the August is still the most practical Wi-Fi smart lock available. It retrofits onto your existing deadbolt without changing the exterior — your landlord will never know it is there. CNET calls it one of the most versatile smart locks available, and that assessment is accurate. The auto-lock, DoorSense sensor (which detects whether the door is actually closed), and Alexa/Google/HomeKit integration are solid features.
The battery math, though, is uncomfortable. CR123 batteries are not the kind you grab at a gas station. You need to order them. If you are not the type who notices the low-battery notification before it dies, you will find yourself locked out or fumbling for the physical key at an inconvenient moment. The lock does provide a warning at 20% battery, but the gap between that warning and actual death can be short under heavy use.
For renters who want the flexibility to take the lock when they move, the August is still the right call — but go in knowing you are trading battery longevity for installation convenience. See our smart lock renters guide for the full renter-focused breakdown.
What We Love
- True retrofit installation — Fits over existing deadbolt; nothing changes on the exterior, no tools required beyond a Phillips screwdriver
- DoorSense technology — Detects whether the door is fully closed, not just whether the lock is engaged
- Built-in Wi-Fi — No hub or bridge required for remote access; this is rarer than it sounds
- Auto-lock with door state awareness — Only locks when the door is confirmed closed, preventing false locks
What Could Be Better
- CR123 batteries are expensive and not available everywhere; $20-30/year in replacements adds up
- Wi-Fi keeps the radio always-on with no low-power mode, accelerating drain
- No physical keypad — you need the app or a smart home assistant for access; not ideal for guests
The Verdict
The August WiFi Smart Lock 4th Gen is the right choice for renters who prioritize installation flexibility over battery economy. Just set a calendar reminder every three months to check the battery, keep a spare set of CR123s in your junk drawer, and accept that this is the operating cost of a truly renter-friendly smart lock. If you own your home and battery life is a priority, look at the Yale or Schlage instead.
Check Price on Amazon →SHE Battery Endurance Score: 54/100
Yale Assure Lock 2 — Best Battery Life Overall
Yale Assure Lock 2
(Current Price, subject to change)
Here is something Yale does that no other lock manufacturer bothers to explain clearly in their marketing: protocol choice is a battery life multiplier, not a footnote. TechRadar reported "14 months on a single set of batteries" from the Yale Assure Lock 2 — but that was on Bluetooth, not Wi-Fi. On Wi-Fi, most users report 3-6 months. The same lock. The same four AA batteries. The difference is entirely the radio protocol.
This matters enormously because most people install their Yale on Wi-Fi for remote access, see 3-6 month battery life, and conclude the lock has average battery performance. It does not. It has exceptional battery performance on the protocols it was designed to use most efficiently. Thread and Bluetooth are low-power mesh protocols that let the lock sleep between events and wake only when needed. Wi-Fi keeps a radio alive constantly.
The practical implication: if you have an Apple Home or Google Home setup with a Thread border router (any HomePod mini, Apple TV 4K, or Google Nest Hub 2nd gen qualifies), run your Yale on Thread. You will see 12+ month battery life on standard AA batteries that cost less than a dollar each. If you need Wi-Fi for remote access and lack a Thread-capable hub, you are looking at 3-6 months — still reasonable, but not exceptional.
The Yale Assure Lock 2 pairs naturally with the best smart locks for Apple Home Key if you are in the Apple ecosystem, since it supports Thread natively through HomeKit. For a broader view of the Yale's capabilities beyond battery life, it is our top pick in the best smart door locks guide.
What We Love
- Protocol flexibility — Wi-Fi, Bluetooth, and Thread options; only lock here that lets you choose based on your setup
- Thread efficiency — 12+ month real-world life on standard AA batteries when using Thread or Bluetooth
- Standard AA batteries — Available anywhere, replaceable by anyone; no specialty battery hunting
- Silent operation — Motor is noticeably quieter than Schlage and August; matters if you live with light sleepers
What Could Be Better
- Wi-Fi mode cuts battery life to 3-6 months — you lose the main advantage if you default to Wi-Fi
- Thread requires a compatible border router hub; if you do not have one, you are back to Wi-Fi
- The keypad lacks backlight brightness adjustment; harder to read in bright sunlight
The Verdict
The Yale Assure Lock 2 is the best battery-life smart lock available — if you run it on Bluetooth or Thread. On Wi-Fi, it is a solid performer with average battery life. Before you buy, check whether your smart home setup has a Thread border router. If it does, this is the clear winner. If it does not, the Schlage offers more consistent Wi-Fi performance.
Check Price on Amazon →SHE Battery Endurance Score: 95/100 (Bluetooth/Thread) | 60/100 (Wi-Fi)
Schlage Encode Plus — Most Consistent Wi-Fi Battery Life
Schlage Encode Plus
(Current Price, subject to change)
The Schlage Encode Plus has a notable achievement in the smart lock world: its real-world battery life is actually close to its claimed battery life. Most Wi-Fi locks claim 6-12 months and deliver 3-4. The Schlage claims 6-12 months and delivers 6-8. For a Wi-Fi-only lock, that is remarkable consistency. Wirecutter gave it a 9.2/10, and battery performance is part of why the Schlage earns consistent top scores across expert reviews.
The four AA alkaline batteries last 6-8 months under normal daily use — roughly 8-15 lock/unlock events per day. Schlage achieves this through smart power management: the lock enters a deep sleep state between events, waking only on keypad input, app command, or the auto-lock timer. The Wi-Fi module does not broadcast constantly; it polls for commands at intervals rather than maintaining a live connection. This is a real engineering difference from the August's always-on approach.
Claim accuracy matters practically because it means you can plan. If you know your lock needs fresh AA batteries every 6-8 months, you can set a calendar reminder and never get caught short. The Schlage's low-battery warning triggers at around 20% remaining, giving you a week or two of buffer. And because it uses standard AA batteries, you can grab replacements anywhere.
The Schlage also holds its own in security. Wirecutter notes it is the only lock with native Home Key support alongside Grade 1 security credentials — a detail relevant if you want Apple ecosystem integration without sacrificing build quality. Check out our Apple Home Key guide for the full breakdown of how it compares to other HomeKit-compatible locks.
What We Love
- Claim accuracy — Manufacturer says 6-12 months, real-world is 6-8; unusual honesty for the category
- Intelligent power management — Deep sleep state and interval-based Wi-Fi polling instead of always-on radio
- Grade 1 security — ANSI Grade 1 deadbolt; no other smart lock on this list matches this security rating
- Standard AA batteries — Four AAs, easily replaceable, inexpensive, universally available
What Could Be Better
- Wi-Fi only — no Bluetooth or Thread fallback to extend battery life further
- Higher price than the Yale at a similar battery performance level on Wi-Fi
- Thicker profile than Level Lock+; more visible on the door interior
The Verdict
The Schlage Encode Plus is the pick for anyone who wants predictable Wi-Fi battery life without managing protocol settings. It does one thing — maintains a Wi-Fi connection reliably with minimal battery drain — and it does it better than any other Wi-Fi lock here. If battery life is your top criterion and you have a Thread setup, the Yale beats it. For everyone else, the Schlage is the safe choice.
Check Price on Amazon →SHE Battery Endurance Score: 73/100
Level Lock+ — Best Single-Battery Life
Level Lock+
(Current Price, subject to change)
The Level Lock+ is a different category of smart lock entirely, and the battery story reflects that. Where every other lock here replaces your entire deadbolt, the Level replaces only the cylinder — the small round insert inside the lock that the key turns. The entire electronic assembly, motor, and battery live invisibly inside your existing door hardware. From the outside, your door looks exactly as it did before.
That extreme miniaturization has a consequence: a single CR2 lithium cell powers the entire lock. Not four AAs. Not two CR123s. One CR2 — a battery about the size of your thumb. PCWorld called the Level Lock+ "the closest thing to a perfect smart lock," specifically citing how the design disappears into existing hardware. And that single CR2 lasts 6-13 months depending on unlock frequency and whether you are using Bluetooth or Thread via Matter.
Thread is again the key here. The Level Lock+ uses Bluetooth as its primary low-power radio but supports Thread and Matter for smart home integration. Thread's energy-efficient mesh protocol is why the high end of that battery range — 13 months — is achievable on a battery smaller than anything else in this comparison. The low end of one month is also possible if you are unlocking 30+ times daily, but that is an unusual usage pattern.
The trade-off is remote access. Without the Level Bridge ($50, sold separately), you only have Bluetooth range — about 30 feet from the lock. The Bridge adds Wi-Fi connectivity for remote lock/unlock and access logs. Factor that into the total cost calculation. See our fingerprint and biometric smart locks guide if you want to compare the Level against locks with additional biometric access options.
What We Love
- Invisible design — Replaces only the cylinder; your door hardware looks unchanged from outside
- Single CR2 battery — Simpler replacement than multi-battery locks; CR2 cells are available at hardware stores and online
- Thread + Matter support — Low-power mesh protocol achieves 12+ month battery life on a tiny cell
- 6-13 month real-world range — The upper end is remarkable given the battery size
What Could Be Better
- Remote access requires the Level Bridge at $50 additional cost — factor into your true price
- CR2 batteries are less universally available than AA or AAA; convenience store runs will not help you
- No physical keypad — Bluetooth or NFC only for keyless entry; must use a phone or NFC card for access without the physical key
The Verdict
The Level Lock+ earns its battery score through clever engineering rather than bigger batteries. A single CR2 lasting 6-13 months on a lock that runs Thread and Bluetooth is a notable engineering achievement. The invisible-from-outside design makes it compelling for anyone who wants smart lock functionality without announcing it. Budget in the Level Bridge if you want remote access, and keep a spare CR2 on hand — they are harder to find in a pinch.
Check Price on Amazon →SHE Battery Endurance Score: 81/100
Ultraloq U-Bolt Pro — Best Multi-Method Access (Average Battery)
Ultraloq U-Bolt Pro
(Current Price, subject to change)
The Ultraloq U-Bolt Pro gives you five ways to get through your door: fingerprint, keypad, smartphone app, Bluetooth proximity, and physical key. That is genuinely useful — especially in households where different people prefer different entry methods. It is also why the battery life is middling. Every sensor you add to a smart lock draws power, and the fingerprint scanner on the Ultraloq is a meaningful contributor to drain beyond the Wi-Fi radio alone.
Four AA batteries last 4-6 months in real-world use, which falls within the manufacturer's claimed 3-6 months — but most users land closer to four months than six. Households with higher unlock frequency (pets triggering the scanner, kids who tap the keypad repeatedly before getting it right) will see closer to the four-month mark. The Ultraloq's low-battery warning is reliable; it notifies through the app and flashes the keypad at 15% remaining.
The battery performance is not bad in absolute terms — four AAs every 4-6 months costs $8-16 per year. But you are giving up roughly two months of battery life compared to the Schlage for the fingerprint reader, and that trade-off is worth thinking through. If you regularly use the fingerprint and it adds genuine convenience to your daily routine, the trade is clearly worth it. If you enrolled three fingerprints on day one and have gone back to the keypad ever since, you are just paying a battery tax for a feature you are not using. Our fingerprint biometric locks guide has a deeper breakdown of which biometric locks are worth the power trade-off.
For renters specifically, the Ultraloq is worth a look even with its average battery life — it installs without permanent door modification and the multi-method access works well for shared spaces. Our smart lock renters guide covers this in more detail.
What We Love
- Five entry methods — Fingerprint, keypad, app, Bluetooth proximity, physical key; something works for everyone
- Fingerprint + keypad combo — Two-factor option requiring both for high-security access scenarios
- IP65 weather rating — Legitimately weatherproof for covered outdoor use; most competitors are IP54 or lower
- No monthly fees — All five entry methods, remote access, and access logs included at no extra cost
What Could Be Better
- Fingerprint scanner adds measurable battery drain; 4-6 month real-world life is below what the Wi-Fi-only competitors achieve
- Bulkier profile than Level Lock+ or Yale; noticeable on apartment doors where aesthetics matter
- App reliability has been inconsistent in long-term reviews; connection drops reported more often than Schlage or Yale
The Verdict
The Ultraloq U-Bolt Pro is the right choice when access flexibility is more important than battery longevity. The five-method entry system is the clear best-in-class option for households with varying access needs. Go in knowing you will be replacing batteries every 4-6 months, stock standard AA batteries, and the math still works out to under $16 per year. Just make sure you will actually use the fingerprint reader before prioritizing it.
Check Price on Amazon →SHE Battery Endurance Score: 58/100
Lockly Visage — Best Rechargeable (Worst at Default Settings)
Lockly Visage
(Current Price, subject to change)
The Lockly Visage has the most complicated battery story on this list. It uses a rechargeable lithium battery pack, so your annual battery cost is $0 — a genuine advantage over every other lock here. But in default scanning mode, the 3D face recognition camera draws 3% of battery life per day. That is roughly a month between charges, which Tom's Guide flagged directly: "Battery requires charging every month at default settings."
The 1-8 month range tells the whole story. Eight months is achievable if you disable face recognition entirely and use only fingerprint, keypad, and app access — essentially using a $399 lock as a fingerprint + keypad lock. One month is what you get if you leave face scanning on default sensitivity. Most users end up somewhere in the middle: lowering face scan sensitivity from "always on" to "triggered by keypad approach" extends life to 2-4 months without losing the biometric convenience.
The recharging process itself is painless. A USB-C port is accessible from the exterior side of the lock, partially recessed under the handle. You can charge it in place with a standard USB-C cable and a power bank. Many users simply plug in a cable once a month when they do other phone charging and never think about it again. Whether that feels acceptable or annoying depends entirely on your habits.
If you already own the Lockly Visage or are buying primarily for the face recognition technology, the battery reality is manageable — just tune the settings to find the right trade-off between scanning sensitivity and charge frequency. If battery life is your primary criterion, this is the wrong pick. For a deeper look at the Lockly's biometric credentials, our fingerprint and biometric smart locks guide covers how it compares specifically on recognition performance.
What We Love
- Rechargeable battery — No ongoing battery cost; USB-C charge takes about 4 hours from dead to full
- 3D face recognition — 30,000 infrared dots; cannot be spoofed by a photograph, unlike 2D camera competitors
- PIN Genie display — Randomizes number position on each use to prevent smudge-attack PIN guessing
- No subscription required — All biometric features work offline without cloud connectivity
What Could Be Better
- Default face-scanning mode drains 3% per day; monthly charging is required at factory settings
- No Apple HomeKit support; Alexa and Google Home only
- $399 is significantly more than the next most expensive lock here; the premium is almost entirely for the face recognition camera
The Verdict
The Lockly Visage earns its spot only if you will actually use the face recognition regularly. The $0 annual battery cost is a real advantage, but monthly charging at default settings offsets the convenience benefit unless you tune the sensitivity down. If the idea of a lock that recognizes your face and opens automatically appeals to you, it is the only consumer option. If you just want a good fingerprint lock, spend $200 less on the Aqara U200.
Check Price on Amazon →SHE Battery Endurance Score: 50/100
SHE Battery Endurance Score
The SHE Battery Endurance Score is a proprietary ranking built from seven weighted factors. We run this calculation for every smart lock we evaluate to give you a battery-specific comparison that manufacturer specs cannot provide.
Score Formula:
| Factor | Weight | What We Measure |
|---|---|---|
| Real-World Battery Life | 30% | Average reported life from verified reviews vs. claimed life |
| Protocol Efficiency | 20% | Power consumption of connectivity protocol (Thread < BT < Wi-Fi) |
| Claim Accuracy | 15% | How closely manufacturer claims match real-world outcomes |
| Low-Battery Warning | 10% | Reliability and advance notice of low-battery alerts |
| Annual Battery Cost | 10% | Dollar cost of replacement batteries per year |
| Convenience | 10% | Rechargeable option, battery availability, ease of replacement |
| Backup Access | 5% | Physical key or emergency power option when battery dies |
2026 SHE Battery Endurance Scores:
| Smart Lock | Score | Notes |
|---|---|---|
| Yale Assure Lock 2 (Bluetooth/Thread) | 95 | Protocol flexibility is the differentiator |
| Level Lock+ | 81 | Single CR2 on Thread achieves exceptional efficiency |
| Schlage Encode Plus | 73 | Best claim accuracy of the Wi-Fi locks |
| Yale Assure Lock 2 (Wi-Fi) | 60 | Same lock, significantly worse score on Wi-Fi |
| Ultraloq U-Bolt Pro | 58 | Fingerprint scanner adds meaningful drain |
| August WiFi Smart Lock 4th Gen | 54 | CR123 cost and no low-power mode hurt the score |
| Lockly Visage | 50 | Monthly charging at default settings is the ceiling |
Full methodology: /methodology
When NOT to Buy a Smart Lock (Battery Perspective)
Not every situation calls for a smart lock, and battery life is sometimes the reason to reconsider:
- If your door gets 50+ daily unlock events: High-frequency use kills battery life across the board. A physical keypad deadbolt with no smart radio may be more practical for a home with many occupants or frequent visitors.
- If you live somewhere with extreme cold winters: Lithium batteries lose significant capacity below 20°F (-7°C). If your door is exposed to unheated air in winter, a rechargeable lock like the Lockly Visage or lithium AA cells are worth the premium.
- If you are not willing to manage charging or replacements: Smart locks require battery maintenance. A deadbolt with a physical keypad (no Wi-Fi, no app) and a spare key at a neighbor's is genuinely lower-maintenance than any smart lock.
- If your lock is in a garage or outdoor gate: Check weather ratings carefully. Most smart locks are rated for sheltered outdoor use only — and a wet, cold battery environment will shorten every real-world estimate on this page.
Frequently Asked Questions
Q: Why does my smart lock battery die so much faster than the box claims?
A: Manufacturer claims are almost always measured in ideal conditions: room temperature, Bluetooth-only mode, 6-8 unlock events per day, and no auto-lock enabled. Add Wi-Fi, enable auto-lock, use it 15+ times daily, or install it in a drafty entryway, and you will see the bottom of their stated range — or below it. The Yale Assure Lock 2 is the most dramatic example: the same lock delivers 14 months on Bluetooth and 3-4 months on Wi-Fi.
Q: What type of batteries last longest in smart locks?
A: Lithium AA batteries last 20-30% longer than alkaline AAs in smart lock applications — they handle cold temperatures better and maintain voltage more consistently as they discharge. Energizer Ultimate Lithium and Duracell Optimum Lithium are the go-to options. For CR123 locks (August) and CR2 locks (Level), you are already buying lithium cells by default. The Lockly Visage sidesteps battery type entirely with its rechargeable pack.
Q: How do I know when my smart lock battery is about to die?
A: Every lock on this list sends a low-battery notification through its app. The warning threshold ranges from 15% (Ultraloq) to 20% (August, Schlage, Yale). Level Lock+ has the best track record for advance warning reliability; August's warnings have been reported as unreliable in some firmware versions. Set a recurring calendar reminder as a backup — do not rely solely on app notifications for something as critical as door access.
Q: Can I use rechargeable AA batteries in smart locks?
A: Yes, but with caveats. Standard NiMH rechargeable AAs run at 1.2V instead of 1.5V for alkaline. Many smart locks tolerate this, but some are calibrated for 1.5V cells and will show "low battery" even at full NiMH charge. Eneloop Pro cells are the most reliable option if you want to use rechargeables — they run closer to 1.4V at full charge. Test with your specific lock model before relying on them. Lithium AAs remain the most reliable choice for smart lock use.
Q: What happens when a smart lock battery completely dies?
A: Every lock on this list has a physical key backup. The August and Ultraloq have external keyholes. The Yale, Schlage, and Level all include a physical cylinder override. The Lockly Visage has an emergency keyhole hidden beneath the handle. Additionally, the Yale and Schlage have a 9V battery contact on the exterior — touching a fresh 9V battery to the contacts gives the electronics enough power to accept a PIN and unlock, without opening the lock body. Always know where your physical backup key is before the battery dies.
Q: Is Bluetooth or Wi-Fi better for battery life?
A: Bluetooth is dramatically better for battery life. A Wi-Fi radio typically draws 50-100mW continuously when maintaining a connection. A Bluetooth Low Energy radio draws closer to 0.01-0.1mW between events. Thread (used by Yale and Level in Matter setups) is similar to Bluetooth LE in efficiency. The practical result: any lock running on Bluetooth or Thread will last 2-4x longer on the same batteries than the same lock running on Wi-Fi. If remote access through a hub (Apple TV, Google Nest Hub, Amazon Echo) is available to you, use it — and switch your lock to Bluetooth or Thread locally.
The Bottom Line
The best battery life in a smart lock comes down to one decision made before you even buy: what connectivity protocol will you use? If you have a Thread border router in your home and can run the Yale Assure Lock 2 on Thread, you will change batteries once a year and spend less than $10 doing it. If you need Wi-Fi everywhere, the Schlage Encode Plus is the most honest performer — it delivers close to what it claims, uses cheap AA batteries, and keeps the process predictable.
For a full look at how these locks rank on security, installation, and overall value — not just battery life — see our best smart door locks guide.
Get the Yale Assure Lock 2 if you have a Thread border router or are willing to use Bluetooth-only access — the 12+ month battery life on Thread is genuinely outstanding and the AA batteries cost almost nothing to replace.
Check Price →Get the Level Lock+ if you want smart lock functionality with no visible exterior change — the single CR2 battery lasting 6-13 months is impressive engineering and the invisible design is unmatched.
Check Price →Get the Schlage Encode Plus if you want reliable Wi-Fi battery life with honest manufacturer claims — 6-8 months on standard AA batteries with better-than-average power management.
Check Price →Get the Lockly Visage if you want to pay $0 in ongoing battery costs and want face recognition face recognition — just tune the scan sensitivity down from default or you will be charging monthly.
Check Price →Skip the August WiFi Smart Lock 4th Gen if battery life is your primary concern — the CR123 batteries cost more than anyone should pay annually for a door lock, and the always-on Wi-Fi radio is the least efficient design here.
Skip the Ultraloq U-Bolt Pro if you will not regularly use the fingerprint reader — you are paying a battery tax for biometric hardware and if it sits unused, the Schlage gives you better battery life at the same price.
Sources & Methodology
Battery life data sourced from Wirecutter, CNET, Tom's Guide, TechRadar, and PCWorld long-term review testing, cross-referenced with verified Amazon user reviews (1,000+ reviews per product), manufacturer specification sheets, and Reddit community reports from r/smarthome and r/homeautomation. Real-world estimates represent median-reported outcomes from users running each lock in its default configuration.
The SHE Battery Endurance Score weights reflect the factors most frequently cited in owner complaints across 800+ Amazon reviews, Reddit threads, and SmartThings Community posts — we analyzed which battery-related issues actually drive dissatisfaction.
Full scoring methodology: /methodology
Nicholas Miles is the founder of SmartHomeExplorer.com, where he aggregates expert ratings from 12+ sources to help readers find the true consensus picks for every smart home category.
Disclosure: SmartHomeExplorer.com earns affiliate commissions from qualifying Amazon purchases. This doesn't influence our rankings — our methodology is published at /methodology.
Last updated: April 2026
