KENRONE Fingerprint Padlock, Biometric Smart Lock (IP66, Rechargeable Zinc Alloy)
Quick take
This biometric fingerprint padlock is designed to replace keys for lockers, sheds, gates, and other everyday storage. It is IP66 waterproof and USB rechargeable, and it supports up to 50 fingerprints for quick access. The main tradeoff is that fingerprint recognition may be less consistent when the lock face is dirty or wet, so it may take a couple tries in those conditions.
Pros and cons
Pros
- Fingerprint unlocking with fast access and up to 50 fingerprint capacity.
- USB rechargeable battery (recharges with an external power source when needed).
- IP66 waterproof design for wet outdoor and pool-adjacent use.
- Zinc alloy construction intended for cut resistance, with a compact portable form.
Cons
- Fingerprint recognition can be hit-or-miss when the lock is dirty or wet.
- Some buyers raise concerns about overall ruggedness and leverage resistance.
What buyers think
Buyer-review evidence is mixed but useful for expectations. Several shoppers report setup is straightforward and unlocking is fast once fingerprints are registered. Waterproof and outdoor use themes show up positively, although at least some users note that reliable fingerprint reads drop when the device is dirty or wet. Battery life is described as lasting “a long time” or “months” by multiple reviewers. A smaller portion of feedback points to reliability concerns over time, including a lock that stopped working after a period of use, so durability and long-term reliability can be a consideration depending on your use case.
Key features that matter for real-world use
Fingerprint unlocking, plus a practical backup
The lock is built around fingerprint access, with a stated unlocking time of about 0.5 seconds and a capacity for up to 50 fingerprints. That makes it workable for families, shared locker rooms, teams, or anyone who wants to avoid passing keys around. Some buyers also mention a hidden backup key, which can reduce the impact of fingerprint misreads (for example, after grime or water exposure).
Water resistance for lockers, pools, and wet days
An IP66 waterproof rating is the headline feature for swimmers and outdoor users. In practice, the design intent is clear: the lock should keep working even in wet conditions. That said, fingerprint scanning can still be affected by the condition of the fingerprint sensor, so wiping down the lock face can matter if you lock and unlock right after workouts.
USB rechargeable power for convenience
Instead of relying on disposable batteries, the lock uses a built-in 250mAh lithium battery and recharges via USB when power runs low. The lock also indicates low battery with a red light, and it can still be unlocked while low. This is especially useful for gym or school schedules where you do not want to plan around battery swaps.
Build and portability for daily carry
The padlock uses zinc alloy construction, which is positioned for sturdiness and cut resistance. It is also compact enough to fit typical locker hasps and storage cabinets, making it a candidate for school lockers, gym lockers, and other small storage points. A small number of reviewers, however, suggest it may not feel as rugged as a heavy-duty mechanical lock if you are concerned about leverage or rough handling.
Pros and cons (expanded)
- Best for shared access: Up to 50 fingerprints lets you add multiple users without memorizing codes.
- Best for wet environments: IP66 waterproofing is a strong fit for pools, lockers near water, and outdoor storage.
- Convenient power management: Rechargeable USB battery can be topped up when you are traveling or away from home.
- Potential frustration in tough sensor conditions: If the sensor area is dirty or wet, unlocking may require retrying.
- Ruggedness may be a tradeoff: If you expect heavy leverage or constant rough treatment, consider a more reinforced physical lock.
Who should buy this fingerprint padlock
- You want keyless access for gym lockers, school lockers, sheds, or gates.
- You share access with others and need multiple fingerprint entries (the 50 fingerprint capacity is designed for this).
- Your use involves wet conditions, such as swimsuits, pool decks, or rainy outdoor storage.
- You prefer USB charging over periodic battery replacement.
Who should avoid it (or consider alternatives)
- You mainly unlock in situations where the sensor is likely to stay dirty, muddy, or heavily wet, and you cannot tolerate occasional retrying.
- You need a lock that feels extremely rugged under leverage or abuse, where a heavier mechanical padlock or a higher-grade smart lock may fit better.
- You are risk-sensitive about long-term electronics reliability and would rather stick with non-electronic locking for critical storage.
Verdict
The KENRONE fingerprint padlock is a practical choice if you want fingerprint convenience plus IP66 waterproofing for lockers and wet environments. It is easiest to recommend for swimmers, gym users, and shared access setups that value rechargeable power. The biggest buying caveat is fingerprint reliability when the sensor gets dirty or wet, and a smaller set of concerns suggests you should consider durability expectations for tougher handling.
FAQ
How many fingerprints can be saved on the lock?
The lock supports a capacity of up to 50 fingerprints, so it can be set up for multiple users.
Is this fingerprint padlock waterproof?
Yes, it is rated IP66 for waterproof performance, which is meant to handle wet outdoor use.
Does it use a rechargeable battery?
Yes, it includes a built-in 250mAh lithium battery and can be recharged using an external power supply with a USB port.
What happens if the battery is low?
When the battery is about to die, the lock flashes a red light to indicate low power, and it can still be unlocked until it is completely depleted and needs charging.
Will it work in wet or dirty conditions?
While the lock is designed for wet use, fingerprint recognition can be less consistent when the lock face is dirty or wet. Wiping the sensor area can help improve reads.
Will it fit standard lockers and storage cabinets?
It is intended to fit most standard locker hasps and storage cabinets due to its compact size.
Is there a backup option if fingerprints fail?
Some buyers report it includes a hidden backup key, which can help if you cannot get the fingerprint to read.
FAQs
The questions below match the FAQ section above.
Specifications
| Product Title | Fingerprint Padlock, Biometric Smart Lock, IP66 Waterproof, Rechargeable Zinc Alloy Gym Lock for Athletes, Students, Swimmers & Outdoor Enthusiasts, for School Lockers, Pools & Luggage |
|---|---|
| Category | Electronics > Security & Surveillance > Biometrics |
| Brand | KENRONE |
| Manufacturer | Kerong Smart |
| Model Name | Fingerprint padlock |
| Model Number | KR-PL53555 |
| Color | Silver |
| Material | Zinc |
| Item Weight | 0.25 Kilograms |
| Brand Name | KENRONE |
| Recommended Uses For Product | gym swimming pool school locker cabinet toolbox luggage storage unit |
| Number of Pieces | 1 |
| Included Components | Fingerprint padlock, Instruction manual, USB charging cable |
| UPC | 766997688262 |
| Unit Count | 1.0 Count |
| Additional Features | Cut Resistant, Fingerprint, Portable, Rechargeable, Resettable |
| Lock Type | Biometric, Combination Lock, Fingerprint padlcok |
| Controller Type | Fingerprint, Touch |
| Control Method | Touch |
| Style Name | fingerprint padlock simple stylish trendy |
| Shape | Rectangular |
| Material Type | Zinc |
| Finish Types | Polished |
| Item Dimensions | 2.1 x 0.83 x 3.5 inches |
| Special Feature | Cut Resistant, Fingerprint, Portable, Rechargeable, Resettable |
| Item dimensions L x W x H | 2.1 x 0.83 x 3.5 inches |
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