China Electric Bike Charger Lithium Battery charger for electric bike Specification Voltage: optional, 48V, 36V, 60V etc. Plug standard: It depends on you, Europe standard, British standard, Korea standard etc. Charge port: Microphone tuning fork video Charge mode: CC--CV Mode(Li-ion battery charger charger) ed display: Red--in charging; Green--full charge This style battery charge allows you to connect the charger to a battery (either in or out of the vehicle) and forget about it until you are ready to put the battery to work. Like all Battery chargers, once the battery has reached a 100% charge the automatically switches it's output voltage to a safe, storage/float level that eliminates the need to worry about the damaging effects of overcharging. If/when the battery voltage drops too far under load, output power will begin again bringing you battery back to a fully charged state. Features: *Short-circuit protection, charger o/p current automatically when short-circuit. *Overload protection:charger o/p current limited automatically when overload. *Reverse polarity protection:it will shut down when the wire is connected, charge DC fuse or remove the fault. *Stage charging mode: CC(constant current), CV(constant voltage) and float stage. *Reliable, elegant, Small size, light, *Efficiency: ≥88 %( full capacity) Storage: Products should be stored in package box when it is not used. And warehouse temperature should be -40~70℃, and relative humidity is 5~95%. In the warehouse, there should not be harmful gas, inflammable, explosive products, and corrosive chemical products, and strong mechanical vibration, shock and strong magnetic field affection. The package box should be above ground at least 20cm height, and 50cm away from wall, thermal source, and vent. Under this requirement, product has 2 years of storage period, and should be rechecked when over 2 years.China Electric Bike Charger website:http://www.hengchuangbattery.com/electric-bike-charger/