Battery specifications: 1> Rated Capacity: 200mAh 2> Size: 4mm(H) x 20mm(W) x 30mm(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) 8> Standard Discharge: 0.2C 9> Maximum Continuous Charge Current: 1C 10> Maximum continuous discharge current: 1C It can not be used for any drone or other aircrafts. 11> Operating temperature range Charge: 0 ~ 45℃ Discharge: –20 ~ 60℃ Storage temperature range: -20 ~ 60℃ 12> Operating and storage humidity range: 65±20% RH 13> Weight: 3g 14> It can not be use for any drone or other aircraft ! Features: 1> 100% brand new and high quality 2> It can be recharged repeatedly 3> Built-in protection circuit PCM for prevent over charging or over discharging.