For 18V Mini Charger: Input in Output in 18V -- 2A. (Don't 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 Charger Voltage: AC110V Input: 50~60Hz Output DC18-22V Charging 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 don't 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: plastic colour: blue Package Contents: 1 x Battery Charger Only 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.