For 18V Mini Charger: Input in Output in 18V -- 2A. (Dont fit 14.4V Battery.)[MINI Design: 1/4 size of the DC18RC charger]Save space, this 18V battery charger is very mini, cheap and easy to carry and store. Very suitable for traveling and taking .For ALL 18V batteries to be while driving to work, traveling and camping. Such as BL1890B, BL1860B, BL1850B, BL1840, BL1830, BL1820 etc.Safe & Reliable: LED indicator lights communicates battery charge status, built-in protections to protect the battery and charger from overheating, overcharging and short-circuit.Specifications:Item Name: Battery ChargerVoltage: AC110VInput: 50~60HzOutput DC18-22VCharging current: 1.5~2.0A (mA)Charging current 2A (4A battery is full of about 3-4HR)Excessive protection (according to product panel indicator), pulse function, you can repair the battery.Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please dont mind. And take a consideration before place the order if you have request for color or appearance.Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on.Material: plasticcolour: bluePackage Contents:1 x Battery ChargerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.