ماژول محافظ شارژ باتری لیتیومی تک سل 3A

Features:
Voltage: 3.8V
Current: 3A
IC: 21130BIB
Size: 42mm x 4.2mm

Pinout:
B+ is connected to the battery positive pole;
B- is connected to the negative pole of the battery;
P+ is connected to the positive terminal of the charge/discharge terminal (the charge terminal/discharge terminal is shared);
P- Charge/discharge terminal negative (common terminal/discharge terminal shared)