Touch screen Ac input voltage: ac 100v - 240v Dc input voltage: dc 11.0v-18.0v Charge current: 0.1- 0.0a Discharge current: 0.1-5.0a Charge power limited: max.90w Discharge power limited: max.15w Balance current: max.300ma Lithium battery cell count: 1-6series. Gifts box.