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

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