| Smart battery flashing light, charging battery real-time display. Fast charging, saving charging time and improving efficiency. Over-current protection, leakage protection, full pulse, multiple protections. Smart chips, technology, and welding chips all use smart electronic components. The use of ABS flame-retardant shell, fire-resistant and strong, let you use more assured. Automatically identify the positive and negative poles, and reverse the charging zero output. Intelligent timing, automatic shutdown after full charge, to ensure that the battery is overcharged. Temperature compensation, high temperature in summer, automatic power off when over temperature. Specifications Type: 48V 20AH … | |