42V 2A DC Charger Power Supply Adapter(One Prong Connector of Pack Diameter 5.5mm, 2.1mm) for 36V Lithium Li-ion Battery

54V 2A Smart Charger for 48V Electric bicycle electric scooter battery, Input Voltage 120VAC 50/60HZ, OVP, OCP, SCP Protections (OVP: Over output Voltage Protection; OCP: Over output Current Protection; SCP: Short Circuit Protection)

Indication Light: Red Light when charging, Green Light when battery fully charged or broken(UNDER 35.7V). Disconntect and Measure your Battery Voltage when you find green light right after plug in the battery. DON'T USE THE CHARGER when your battery voltage is below 35.7V, which is DANGEROUS.

DC Connector: DC2.1, 5.5*2.1MM. Please make sure your battery charging port be compatible with the listing shows before purchasing

High-frequency smart charging technology keeps batteries at optimal charge, quite silent operation. Automatically switches between charging mode and float mode