Micro USB 5V 1A 18650 Lithium Battery Charger Module Charging Board With Protection
Size: approx. 2.6 x 1.7cm/ 1.02" x 0.67"
Input voltage: 5V
Charging cut-off voltage: 4.2V ±1%
Maximum charging current: 1000mA
Cell overdischarge protection voltage: 2.5V
Cell overdischarge protection current: 3A
Charging and protect circuit at the same time
LED indicator- red is charging Green is full charged
Micro USB female outlet for input end, can be used to charge the lithium battery by phone charger directly. Besides, it still retain the input voltage wiring welding spot, good for DIY
"OUT+" and "OUT-" may have no output voltage when you connect them first time. You can protect circuit by accessing 5V voltage. Same as "B+" and "B-" area.
If you use phone charger to charge this device, please be sure the input current over 1A, otherwise, it may won't run properly.
Connect "B+"to positive electrode of battery and "B-" to the anode. Connect "Out+"and "Out-" to load.