Features: 1> Brand new and high quality 2> It can be recharged repeatedly 3> Built-in protection circuit PCM for prevent over charging or over discharging Battery specifications: 1> Rated Capacity: 150mAh 2> Size: 6mm(H) x 15mm(W) x 20mm(L) 3> Operating Voltage: 3.7V 4> Charging voltage limit: 4.20V 5> Discharge voltage: 3.0V 6> Charging cut-off current: 0.02C 7> Standard Charge: 0.5C(75mA) 8> Standard Discharge: 0.2C(30mA) 9> Maximum Continuous Charge Current: 1C (150mA) It cannot be used for any drones and other aircraft. 10> Maximum continuous discharge current: 0.