This battery is designed for popular models of airsoft such as Airsoft G36C, M4A1-RIS, M4A1, CAR15, MP5A5, MC51, FNP90, AUGRT, AUGM, G3A4, G36, STEYR. It features high efficiency of 20C continuous discharge rate, enough power and a good heat dissipation, which enables to deliver the best performance for your airsoft. Not only that, made of high quality Lithium, it is free your worry from storing in a short-circuit condition or in the high temperature. It's enough safe and powerful to be a perfect backup.