Battery kind: Ni-MH, Voltage: 6.0V, Capacity: 4200mAh / 25.20W h.
^^Specification: 88.95 x 47.55 x 36.86 mm, Weight: 383.0 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