Detailed Product Description Battery charger: Specifications: Size: 170*90*63mm Weight: 1.2KG Wattage: 500W Features: 1. CC, CV 3-stage charger 2. Reliable, elegant 3. Small size, light 4. Efficient (efficiency í¦88% full load) 5. LED Display (Volt Meter & Amp Meter) 6. Protection functions: polarity reverse, short circuit, over temperature and over load protection Operate Condition: 1.Temperature: -10~45 Degree 2.Hi-pot: í¦AC1500 (P to S),í¦AC1500 (P to FG) 3.Life Expectancy: 50,000H at 25 Degree 4.CE certification Apply to: 1. USP Battery 2. Electrical Scooter Battery. 3. Motorcycle Battery 4. Auto Motive Battery KP-A for Lead-acid Battery KP-AL for Li-ion/Li-Polymer Battery Design and Manufacture according to customer's battery specification. Costant Voltage: 12V, 24V, 36V, 48V, 60V, 72V Costant Current: 20A, 15A, 12A, 10A......3A Packaging: Carton size: 470*240*320mm, 6pcs/Carton