Battery charger for electric scooter. Color: Black. Input voltage: 100-240V AC. Input frequency range: 50-60 Hz. Output voltage: 42V DC (for 10S Li-ion 18650 battery pack, 36V system). Output current: 2A. External diameter of the 3-pin interface: 9 mm. LED indicator: Red light indicates charging in progress, green light indicates fully charged. Item weight: approximately 180g. Prevents overcharging. Lightweight, compact, stable, highly efficient, and safe. Built-in protection effectively prevents short circuits, overvoltage, overload, and other issues to protect your device during charging. Indicator function: The electric scooter charger features an LED indicator. Red light illuminates during charging, green light turns on when the battery is fully charged. If the indicator remains green but the device does not charge, possible reasons include long-term non-use of the balance scooter or battery degradation; or an issue with the charger. In such cases, please verify compatibility or contact support. Safety and reliability: The charger is constructed from high-quality materials for durability and long service life. Features an aluminum heat sink with optimized thermal design for better heat dissipation. Designed for safe and reliable performance. The cable is a suitable replacement for hoverboard and two-wheeled self-balancing scooters. Compatibility: Designed for electric scooters with 36V lithium-ion batteries requiring a 42V charger. This product has a 3-pin connector with an outer diameter of approximately 9 mm (8.86 mm). Not compatible with 12 mm connectors. Please check connector size before purchase. Fast charging design with maximum output: 42V / 2A. Wide input voltage range: 100-240V, suitable for global use with electric scooters. Ensures proper 3-pin connector configuration for compatibility with various balance scooters. Made from fire-resistant ABS material for enhanced safety. Integrated LED indicator allows easy monitoring of charging status. Red light during charging, green light when fully charged and ready for use. Power supply compatible with most electric scooter models. Please carefully check the specifications and connector size of your original charger before purchasing to ensure compatibility.