Description: Constant current, constant voltage, floating charge three-stage 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 72V 20AH lead-acid battery pack or colloid battery pack. Specification: Name: Battery Charger Model: 512457 Input: AC90-220V, 50/60 Hz Output: Output Voltage / Output current / Are charged (constant pressure)48V: 5.6V0.4V / No load / 1.6-5A 59.2V0.4 V36V:41.7V0.3V/ No load / 1.6-5A 44.4V0.3V24V:27.8V0.3V / No load / 1.6-5A 29.6V0.3V12V:13.9V0.3V / No load / 1.6-5A 14.8V0.3 V Output Power: 400 W Dimensions: 165 x 90 x 60 mm Each Cable length: About 65mm Plug Type: 2 flat pin Temper Range: -15~45degree Package Included:1 X Battery Charger