Valken Energy offers a full line of batteries and chargers for all of your energy needs. We offer batteries that are designed specifically to power most airsoft gun. configurations. We have various sizes, voltages, and mAh to fit any of your needs. General rule of thumb regarding Airsoft shot count : One shot per mAh. High performance lithium polymer cells, 20C continuous discharge rate, Charge / Discharge Mini Tamiya connector and balancing connector, No memory effect, Ideal for Airsoft application.