Micro USB 5V Lithium Li-ion 18650 Battery Charger Module Board DIY Power Bank AL

Description

Specification:
1.Input USB model:Micro USB
2.Input voltage:DC 5V
3.Charging current:Max 1A
4.Charging mode,the first constant current,after the constant voltage
5.The output:Dual USB base
6.The output voltage:5V
7.Discharge efficiency:about 85%
8.Suitable for 18650(3.7v) battery/li-ion lithium lipo battery(3.7v)
When charging,the red LED flash,full charged,the LED light up.
When discharge,the blue LED light up
Notes:
Should connect the battery polarity correctly,Or it will damage the main board.B-connect to battery-,B+connect to battery+
Package include：1Pc PCB board module