FEATURES: Hot Power 7.4V 4400mAh 20C lithium battery. Capable of single cell charging with 2 outgoing wires: one for charging, one for using. This 7.4V battery recommend for professional airsoft players. It is lighter weight and smaller size than the Ni-CD/Ni-MH battery. It can improves the rate of fire. Installation may need minor modifications on some receivers. High capacity rechargeable battery with low price. DETAILS: Hot power model no. - 7.4V 4400mAh 20C Weight - 217g Size - 128mm x 46mm x 15mm Battery capacity - 4400mAh Fit battery pack - Other Custom Pack Battery cell type - Li-Poly / LiPo Type - Mini type Connector - 3-pin balancer tab Max continuous discharge rate - 20C NOTES: We are NOT responsible for any damage caused by misuse or mishandling of Li-Po/Li-Ion batteries in charging.