Smart battery charger with flashing light indicator for real-time charging status. Fast charging technology saves time and improves efficiency. Built-in over-current protection, leakage protection, and full pulse charging for multiple layers of safety. Equipped with intelligent chips and welding components for reliable performance. Features an ABS flame-retardant housing that is durable, fire-resistant, and safe to use. Automatically detects positive and negative terminals to prevent reverse polarity charging with zero output in case of incorrect connection. Intelligent timer function automatically shuts down when charging is complete to prevent overcharging. Includes temperature compensation; automatically powers off in high-temperature conditions to ensure safety. Specifications: Type: 72V 20AH Output Voltage: 72–88V Output Current: 2.6 ± 0.2A Input Voltage: 200–220V, 50Hz Battery Compatibility: 6-DZM-20 Dimensions: 18 x 8 x 6 cm (7 x 3 x 2.4 in) Color: Black Material: Plastic Package Contents: 1 x Electric Vehicle Charger Note: The product image may slightly vary in color due to lighting and screen settings. Measurement error is permitted within ±1–3 cm.