World Wide Input Voltage 100-240VAC 50/60Hz. New Global 54.6V AC / DC Adapter Charger Compatible with Hiboy Model VE1 Pro VE1Pro 48V/10AH 48V 10Ah DC48V 10.0Ah 48 Volt 10 Ah 48 Volts 10000mAh 48VDC Li-ion Battery Pack ZHE JIANG MINGBAO INTELLIGENT TECHNOLOGY CO.,LTD. +54.6V 2A DC54.6V 2000mA 54.6 Volt 2 A 54.6 Volts 2000 mA 54.6VDC 54.6 V 54.6 VDC Switching Power Supply Cord Cable PS Charger Mains PSU ( with Barrel Round Plug Tip) !!!Tips: Rechargeable batteries don't last forever, the average battery last 1 to 3 years. If the battery is old/dead, it will not accept a charge. But not charger's problem. If you're not sure whether battery or charger is dead or not. You must have a volt meter in order to tell whether or not a charger is working. Safety Features: Over current protection; Total power protection; Over voltage protection; Short Circuit Protection. Manufactured with the highest quality materials. Certification: FCC, CE and RoHS. Platinum Quality Features: Overload Protection with High Quality Wires, Over-charge/discharge protection, Overheating Protection with Smart Chip, Anti-Interference Feature with better Isolation Materials, Short-circuit protection, Fully compatible with the original adapter, Tested with strict quality control standards Buy with confidence!