Length:: 69 mm Diameter: 18mm Total: 50g Voltage: 3,6V Capacity: 3100 mAh The SPE-18650DO battery is a special battery only for use in the EST 2.0. The SPE-18650DO has a capacity of 11.2 Wh at 3.6V voltage. Use and charge the battery only in the COP®/Speras - EST 2.0!
