Battery kind: Ni-MH, Voltage: 12.0V, Capacity: 1800mAh / 21.60W h.
^^Specification: 143.00 x 62.00 x 21.00 mm, Weight: 540.0 g. ^^No memory effect, over-charge, over-discharge, over-heat, over-current and short-circuit protection. ^^Our products have passed strict quality inspection. if you have any questions, you can contact us. ^^365 days warranty