Micro USB is connected to the phone charger
Li-Ion battery pole is connected to B + and B-
Electrical loads such as lights, toys, mobile phones, etc., connected to the OUT + and out-, so that over current protection and over-discharge function. When bypassed directly to B + and B- The protection function will not work and could potentially damage the Li-Ion battery.
Tips: The current recommended input cas about 37% of the battery capacity. When the battery was about to be charged with a capacity of 1000mAh, charge current 400mA input is enough.
Charge the module Linear charging.
Current- 1A adjustable.
Charge precision- 1.5%.
Input voltage- 4.5V-5.5V.
Full charge voltage- 4.2V.
Led indicator- red is charging Green is full charged.
Interface- micro USB input.
Work temperature- -10 to +85.
Inversed polarity- NO.
Size- small about 26mm x 17mm