Hilong Airsoft battery series have Li-PO, Li-ion, and Ni-MH types, every battery pack is made of safe high discharge capability cells, its excellent high discharge performance deliver players ideal feeling of power. its good capacity retention and safety make storage and mantaince easier. Hilong battery has developed reliable Lithium and Nickel-based solutions for nearly two decades, and received good reputation from worldwide customers. We would be very pleased to work with you for your own battery business