4.2v usb charger 4.2v 100ma 300ma 500ma 800ma

Item: 4.2v 1000ma

Input : AC 110~240V  50/60HZ

Output : DC 4.2V 1A universal li-ion battery charger

Cable length: 1~1.5 M

Plug type: EU plug or US plug or AU plug or UK plug or Japanese plug or Korea plug for choice,so charging Cable will suitable your country.

Output Connector:5.5x2.5mm or 5.5x2.1mm or 3.5x1.35mm or USB or MiniUSB or MicroUSB

Model size:88x48x68mm

Weight:135g

Charging Mode: CC—CV(Constant Current—Constant Voltage)

                            Or CC—CV—TC(Constant Current—Constant Voltage —Trickle Charging)

LED Display: Red—In charging state, Green—Full Charged

Efficiency:>=80%

Safety Protection: Short-cuirt Protection,

                               Over-current protection,

                               Over-voltage protection,

                               Reversal Protection

Application: universal li-ion battery charger 21V 1000mA for Battery pack,lipo battery pack, LED Torch Flashlight,LED lamps,Electric Bicycle, Mechanical equipment, Portable Electric Device, Phone, MP3/MP4, Boat Device, Rechargeable Bus and so on.