Insten Replacement Compact Battery Charger Set Compatible with Nikon EN-EL19 / Nikon Coolpix S6600 / S2600 NOTE: For a successful and safe charge of your battery, make sure to correctly align polarity ( positive / negative) before placing battery into charger. Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Specifications: A/C power supply input voltage: AC100V~240V; Output voltage: DC 4.2V / 450 Ma; Dimension: 3.25 x 1.5 x 1.75 inch. This Battery Charger kit includes: Battery charger with foldable AC plug; DC Cigarette lighter adapter (car charger) for any vehicle. Accessory only, battery not included.