Features: Perfect for 20s lithium battery group, and with 0.8A energy transfer current. 92% high balance efficient, with balance status indicator light. 0.1 V adjacent differential pressure will trigger equalization, 0.03 V adjacent differential pressure will end equalization and dormant. The dormant current consumption is as low as 2 uA. With 2.5 V low-pressure dormancy protection. Suitable for 3.2V LiFePO4 battery and 3.7V ternary lithium battery, like 18650 and 21700. Do not suitable for farah capacitor and lithium titanate battery.