Smart battery charger with flashing LED indicator for real-time charging status display. Fast charging technology helps save time and improve efficiency. Features over-current protection, leakage protection, full pulse charging, and multiple safety protections. Built-in smart chips using SMT technology and electronic components for reliable performance. Durable ABS flame-retardant housing provides fire resistance and enhanced safety. Automatically identifies positive and negative terminals; delivers zero output in case of reverse polarity connection. Intelligent timer function automatically shuts down when charging is complete to prevent overcharging. Includes temperature compensation; automatically powers off at high temperatures to ensure safe operation. 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 Color: Black Material: Plastic Package Contents: 1 x Electric Vehicle Charger Note: Light shooting and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement allows an error of +/- 1-3cm.