Smart battery charger with flashing light indicator for real-time charging status display. Fast charging technology helps save time and improve efficiency. Built-in over-current protection, leakage protection, and full pulse charging for multiple layers of safety. Equipped with smart chips, SMT technology, and welded electronic components for reliable performance. Features an ABS flame-retardant housing that is durable, fire-resistant, and safe to use. Automatically identifies positive and negative terminals; ensures zero output in case of reverse polarity connection. Intelligent timing control automatically shuts down when the battery is fully charged to prevent overcharging. Includes temperature compensation function—automatically powers off in high-temperature conditions during summer or if overheating occurs. 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: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3cm.