Usage Tips:Smart battery flashing light, charging battery real-time display. Fast charging, saving charging time and improving efficiency. Over-current protection, leakage protection, full , multiple protections. Smart , technology, and welding all use smart electronic components. The use of ABS -retardant shell, fire-resistant and strong, let you use more . Automatically identify the and negative poles, and reverse the charging output. Intelligent timing, automatic shutdown after full charge, to that the battery is overcharged. Temperature compensation, high temperature in , automatic power off when over temperature. Name:7 Light Electric Vehicle Charger Type: 72V 50AH Output Voltage: 72-88.8V Power: 550W Output Current: 5.5 +/- 0.2A Input Voltage: 220V AC 50Hz Battery Parameters: 6-DZM-50 Size: 18x8x6cm/7x3x2.4inch Plug Type:EU Plug,it applies to Indonesia, , , , and so on. colour: black Material: plastic Package Contents: 1 x Electric vehicle charger Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.