7.4V 4200mAh Rechargeable Lithium Battery for Smart Door Locks | Universal Compatibility | Leak-Proof Design | Long-Lasting Power Supply
Product details
| Management number | 218473267 | Release Date | 2026/05/03 | List Price | $42.14 | Model Number | 218473267 | ||
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| Category | |||||||||
The 500+ charging cycle minimizes waste to the greatest extentPower your smart door lock with confidence using this 4200mAh Rechargeable Lithium Battery, engineered for long-term reliability and safety. Designed to replace outdated alkaline or carbon-zinc batteries, this leak-proof power source ensures uninterrupted operation modules, and access control systems.
- Smart door lock battery: Compared to similar batteries, the lifespan has been increased by 50%
- Universal Compatibility – Seamlessly fits most smart locks with standard battery compartments
- Multi-protection circuit prevents overcharging, short circuits, and overheating (operating range: -20°C to 60°C)。
- High-Capacity & Longevity Delivers 6-12 months of continuous power on a single charge, reducing maintenance hassle.
- Leak proof guarantee - Polymer sealed casing eliminates the risk of leakage and protects the delicate circuitry of your lock.
| Brand | VANTHMF |
|---|---|
| Model Name | miaodanmall |
| Unit Count | 1.0 Count |
| Item Weight | 600 Grams |
| Manufacturer | miaodanmall |
| Model Number | miaodanmall |
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