Constant current, constant voltage, floating charge three- charging. Selection of high-grade long-life components, advanced production technology. Standby power is low, power, automatic recovery. Shockproof design. Output short circuit, overcurrent protection. For 72V20AH lead-acid battery pack or colloid battery pack. Name:Battery Charger Model:512457 Input: AC90-220V, 50/60Hz Output: Output Voltage / Output current / Are (constant pressure) 48V: 5.6V±0.4V (No load) 1.6-5A 59.2V±0.4 V 36V:41.7V±0.3V(No load) 1.6-5A 44.4V±0.3V 24V:27.8V±0.3V(No load) 1.6-5A 29.6V±0.3V 12V:13.9V±0.3V(No load) 1.6-5A 14.8V±0.3V Output power: 400W Dimensions: 165 x 90 x 60 mm Each Cable length: about 65mm Plug type: 2 flat pin Temper range: -15-45degree color:Black Material:plastic Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, , the , the Philippines and so on. Voltage: AC110-220V Package Contents: 1 x Motorcycle Battery Charger Only the above package content, other products are not