Please compare our red and black wires sequence in connector, if yours is reversed,please must send us a message or write a note to change it,thanks! 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 It can not be used for any drone and other aircrafts. Specifications: 1> Rated Capacity: 500mAh 2> Size: 5mm(H) x 30mm(W) x 35mm(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(250mA) 8> Standard Discharge: 0.5C(250mA) 9> Maximum Continuous Charge Current: 1C (500mA) 10> Maximum continuous discharge current: 1C (500mA) 11> Operating temperature range Charge: 0 ~ 45℃.
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