1.Attention: For the new battery, we suggest all of our customers fully charge it by AC power adapter. Maybe it take a period, the capacity was strain out by inner PCB circuit.
2.In order to protect your battery life, you can fully charge it to 100% and drain to 2% ,it's a cycle and the capacity will recover. it's better to make normal use after 2 cycles and charge the battery regularly a month.
3.Rechargeable more than 500 cycls over life of battery; High energy efficiency and extended battery life