1. Multiple protection: The electric scooter charger includes protections against overcharging, overheating, short circuits, and reverse polarity, ensuring complete safety for you and your devices. 2. Efficient recharging: The lithium battery charger uses high-efficiency charging technology, reducing charging time while extending battery life. 3. Smart charging: The charger employs chip welding technology and automatically disconnects once charging is complete to prevent battery overheating, ensuring safer usage. 4. Wide compatibility: This charger is compatible with various brands and models of electric scooters, bicycles, and motorcycles, and can come with different types of plugs, offering extensive compatibility. Overall dimensions: 15.5X4.5X8cm Standard voltage: 54.6 V Compatible battery type: lithium-ion battery Six protections: overheating protection, short circuit protection, overvoltage protection, overcurrent protection, reverse polarity protection, low voltage protection Temperature control protection: from -10 degrees Celsius to 40 degrees Celsius Available connectors: female three-pole connector, video connector, Canon connector, aviation connector, DC connector