Gens ace 25C 1500mAh 2S1P 7.4V Li-Po battery is designed for powering airsoft replicas and is suitable for AEG stock tubes and AK dust covers with limited space. Do not discharge below 3.0V per cell; charge using a microprocessor charger in LiPo mode. Protect from short-circuiting, puncturing, direct sunlight and flammable objects and dispose of properly.