The 10S Lithium ion 42V 2A battery charger is equipped with full protection against over heat, fire, explosion, electric shock, etc.. The 42v battery charger features auto shut off when a charge cycle is complete, and time out backup, so the charger can be left on overnight or unattended indefinitely. Advanced charge algorithm controls both voltage and current for precise charging. The 42V 2A lithium battery charger has been certificed to UL 1310 Class 2 battery charger, IEC 60335-2-29 household electrical appliances battery charger. One typical application for the charger is self-balancing scooters 42V 2A hoverboard charger.