The Huabao ZNS-091, also sold under the Huabaotong brand, is a 7.4V rechargeable lithium-ion battery pack specially designed for smart door locks and electronic access control systems. This battery serves as a direct drop-in replacement for Huabaotong ZNS series locks, providing stable voltage and ample capacity to meet the daily demands of residential, commercial, and hospitality settings.
Key Specifications
- Battery Type: Lithium-ion / Lithium-polymer
- Nominal Voltage: 7.4V (2S configuration)
- Capacity: 4200mAh / 31.08Wh
- Connector: 4-wire configuration (typically P-, P+, P+, P-) for precise connection to the lock’s power management circuit
- Rechargeable: Yes, via compatible 5V USB interfaces or dedicated chargers
Applicable Models and Compatibility
The ZNS-091 battery is the original or recommended replacement power source for Huabaotong (Huabao) ZNS series smart door locks. It is compatible with models sharing the same voltage, capacity, and connector layout, including:
- ZNS-091 and ZNS-09 series core models
- ZNS-09B, ZNS-09B1, and ZNS-09B6 fingerprint and keypad locks
- ZNS-09H, ZNS-09H1, ZNS-09E, ZNS-09E1, and ZNS-09A electronic/keypad locks
- YC04 series models (YC04B, YC04C, YC04E)
These locks typically feature fingerprint recognition, keypad input, automatic locking, and smart home integration. Please verify your lock’s exact model number and connector type before purchasing, because mismatched voltage or wiring can cause malfunctions or damage the lock’s electronic components.
Choosing and installing the correct battery ensures uninterrupted convenience and security for any property using these smart lock systems.