Please charge with a special charger for battery.If you have any questions, please contact us economical and practical. highly cost effective. Battery Specifications: Voltage: {VOLTS}V Capacity: {MAH}mAh Size: {L} x {W} x {H}mm Type: {TYPE}, Weight: {WEIGHT}g Compatible Model: * Dunea 60C * Solea 200 * Solea 250 * Dunea 260C Battery Part Number: *Don’t worry, if you have any questions before or after sale, you can contact me by email at any time, and we will reply as soon as possible. We are a professional battery manufacturer, Certificated with UN38.3, MSDS, ISO9223, RoHS, CE. Replacement battery Part Numbers:. Specifications: Voltage: 2.4V, Capacity: 750mAh, Size: 44.07 x 20.35 x 10.58mm, Type: Ni-MH, Gross Weight: 49.0g. Replacement battery Compatible with Models: Dunea 60C Solea 200 Solea 250 Dunea 260C.