36V ithium battery power charger. Input: 100-240VAC,50/60Hz,5A (MAX), Output : 42v, 5A(max), short circuit & overload & overvoltage protection. Applicable ac input voltage, high efficiency,soft starting current,reduced the impact of ac input effectively.small size,light weight. Made of environmentalfriendly material,safe and anti-interference, durable to use. Please note: it's not fit for razor scooter and dirt bike. Multiple protection for the short circuit protection,over voltage protection ,over current protection,and noovercharge.the light areen remove the charger. Any problem after using, please advise us freely