Efest-IMR-18350-800mAh-37v-Rechargeable-High-Drain-Flat-Top-Battery-2-cells
2 x 18350, 3.7 volt, lithium ion battery made by Efest. The capacity of this battery is 800 mAh. This IMR cell has a high discharge rate and is perfect for electronics that require lots of power in a short amount of time.