Model: U1 / U3 --USB Li-ion Battery Charger
1.Input: U1: DC 5V/ 1A / U3: DC 5V/2A
2.Output DC 4.20V: 500mA/1000mA*1 / 2
3.Comply with: Li-ion 3.7V( 26650/22650/26500/18650/18490/17500/17335/16340/14500/10440 )
4. Features: 1) Adopt Micro USB input, compact size, easy to use and carry 2) Automatically swift charging current(500mA, 1000mA)according to battery lenth 3) Charger will automatically stop charging, no need to calculate charging time. 4) 0V activation function and indication for failing to active batteries 5) Kinds of parameter detection with safety and high efficient. Over charge, short circuit 6) Adopt accurate PWM control technology,CC-CV mode for Li-ion battery, and pulse charging for Ni-MH/Cd battery
5. Certificates: CE, ROHS