1. Long cyclelife battery type: LiFePO4 battery 2. Support different output voltage 3. Draw-bar box design The portable back-up power supplies can be widely applied in field work, traveling and Emergency power supply, It support DC output of 5V, 12V, 24V, 48V ect. and AC output 220V, convenient for your power application. Power500W1000W2500WBattery cellLifePo4Voltage/Capacity48V/10Ah48V/ ...