7.4V rechargeable lithium-ion battery for smart lock

7.4V rechargeable lithium-ion battery for smart lock

The battery has multiple polarities. When placing an order, you must send me a photo of the old battery for confirmation.

The ZNS-09B1 rechargeable battery is designed to power smart fingerprint locks and other electronic access control systems. Thanks to its high-capacity 5000 mAh lithium technology, it guarantees extended battery life and reliable operation of your smart lock.

Equipped with a 5V/2A USB Type-C charging port, this battery allows for quick and convenient charging without complex disassembly. Its integrated protection circuit ensures optimal safety against overcharging, over-discharging, and short circuits.

Technical Specifications

Model: ZNS-09B1
Type: Rechargeable Lithium Battery
Nominal Voltage: 7.4 V DC
Capacity: 5000 mAh
Energy: 37 Wh
Charging Port: USB Type-C
Charging Voltage: 5 V DC
Recommended Charging Current: 2 A
Standard: GB31241
Connectors:
C+
C-
O-
P-
P+
Built-in Electronic Protection:
Overcharge Protection
Deep Discharge Protection
Short Circuit Protection
Overcurrent Protection
Technology: Rechargeable Lithium-ion
Installation: Quick Replacement
Lifespan: Several Hundred Charge Cycles
Advantages

✅ Large 5000 mAh Capacity

✅ Fast Charging via USB-C

✅ Stable Power Supply for Smart Locks

✅ Long Lifespan

✅ Integrated electronic protection

✅ Ideal solution as a replacement or backup battery

Applications

Smart fingerprint locks
Bluetooth locks
TTLock locks
Electronic access control
Smart hotels and apartments
Offices and commercial premises
Package contents

1 × ZNS-09B1 7.4V 5000mAh rechargeable battery
Integrated connector
Documentation (if available)
Compatibility

This battery is compatible with many smart lock models using a 7.4V lithium power supply and a 5-pin connector (C+, C-, O-, P-, P+). It is recommended to check the part number of your original battery before replacement.