XTAR X4 battery charger to Li-ion 18650

Power source type: DC Number of batteries supported: 4 Suitable for: Household battery Compatible battery technologies: Lithium-Ion (Li-Ion) Product colour: Black Input current: 2.1 A Operating temperature (T-T): 0 - 40 °C Width: 118 mm Weight: 235 g Height: 38 mm Depth: 140 mm Quantity per pack: 1 pc(s) Batteries included: No