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. Specifications Type: 48V 20AH Output Voltage: 48-59V Output Current: 2.6 +/- 0.2A Input Voltage: 200V-220V 50Hz Battery Parameters: 6-DZM-20 Size: 18x8x6cm/7x3x2.4in 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia