9.The overcharge protection: when the battery voltage is 4.2 V±0.05 V, the battery automatic protection, to stop the battery.
Put protection: the battery voltage is lower than3.0V±0.5 V battery automatic protection, to stop foreign discharge.
Short circuit protection: when the normal work, output is short circuit, the circuit of automatic protection andstop output, use charger (2 seconds, can remove protection.
10.High efficiency and low self-discharge rate 5% per month.
11.Long life cycle(up to 500 times)