Smart battery flashing light displays real-time charging status. Fast charging saves time and improves efficiency. Features overcurrent protection, leakage protection, full pulse, and multiple safety measures. Smart chips, SMT technology, and welding chips all use smart electronic components. Made with ABS flame-retardant shell, fire-resistant and strong for safer use. Automatically identifies positive and negative poles and reverses charging zero output. Intelligent timing automatically shuts off after full charge to prevent overcharging. Temperature compensation: automatic shutdown at high temperatures in summer. Specifications: Type: 60V 20AH Output Voltage: 60-74V Output Current: 2.6 +/- 0.2A Input Voltage: 200V-220V 50Hz Battery Parameters: 6-DZM-20 Size: 18x8x6cm/7x3x2.4in Color: Black Material: plastic Package Contents: 1 x Electric vehicle charger Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3cm.