The Efest IMR Green Flat top battery provides optimal performance. Clocking in at a maximum 50 Amps of Max Pulse discharge rate, the Efest IMR 26650 provides the ability to support any 26650 battery devices in a single or two battery setting. This rechargeable 26650 battery provides 4200mAh of battery capacity for impressive battery life and consistency at low battery levels. Take your 26650 device to its maximum potential with an Efest IMR 26650 4200mAh 50A Green Flat Top Battery!