Features: 1. High quality, stable performance. 2. Provide fast and high efficiency charging. 3. Made with high-grade plastic casing and fine workmanship. 4. Compact size, won't take up too much space. 5. Suitable for self-balancing scooter. Specification: Input voltage range: AC100-240V Input Frequency: 50-60Hz Output voltage: 42V 2A Output Current: 2000mA Plug Type: US Plug Certification: CE, FCC, RoHS certificated Package Included: 1 X AC Charger Adapter 1 x Power Cord