Smart battery charger with flashing light indicator for real-time charging status display. Fast charging technology saves time and improves efficiency. Features over-current protection, leakage protection, and full-charge protection for multiple safety safeguards. Automatically identifies positive and negative terminals to prevent reverse charging. Intelligent timer function automatically shuts down when charging is complete to prevent overcharging. Includes temperature compensation; automatically reduces output in high temperatures and shuts off when overheating. Specifications: Type: 48V 20AH Output Voltage: 48-59V Output Current: 2.6 +/- 0.2A Input Voltage: 200V-220V 50Hz Battery Compatibility: 6-DZM-20 Dimensions: 18 x 8 x 6 cm / 7 x 3 x 2.4 in Color: Black Material: ABS flame-retardant plastic Package Contents: 1 x Electric Vehicle Charger Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.