Daly Battery Equalizer 4S 1A with Bluetooth App and Wire Leads and Compatible Active Balancer for Lithium Battery Rated 3.7V 3.2V 2.2V

[Active Equalizer]Can be used alone or compatible with any brand of BMS. Suitable for Li-ion/LifePO4 battery packs ^^ [Working Principle] Balanced by energy transfer, with high efficiency, less energy loss and low heat generation. Ensure battery consistency and extend the battery life.
Balanced current: 0.1 -1A,
Voltage equalisation accuracy: 0.01V ^^ [24-hour equalization] Not limited by battery charging, discharging or static, sleep mode, etc. Intelligent detection of battery voltage, automatically turn on/off balancing. ^^ [Smart active balancer]Support UART/RS485 communication, Bluetooth APP can view battery balancing information at any time.
Indicator light on/flashing: balanced state; indicator light off: non-balanced state/fault.
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