2S 7.4V 20A 18650 Lithium Battery Protection Board

Overview:
The 2S 7.4V 20A 18650 Lithium Battery Protection Board can be used to protect a battery from overcharging, discharging, short circuit and overcurrent.

Specification:
Overcharge Voltage Range: 4.25V-4.35V 0.05V
Over Discharge Voltage Range: 2.5V-3.0V 0.05V
Maximum Working Current: 13A
Working Temperature: -40 C to +50 C
Maximum Instantaneous Current: 20A
Storage Conditions: -40 C to +80 C
Quiescent Current: Less than 10uA
Effective Life: More than 50,000 hours
Internal Resistance: Less than 300m
Short Circuit Protection: Can be protected; recovery requires charging
Charging Voltage: 8.4V-9V
Size: 46 x 20 x 3.6mm

Instructions:
B+ is connected to the positive electrode of the battery.
B- is connected to the negative electrode of the battery.
BM is the connection point between battery 1 and battery 2.
P+ is connected to the positive terminal of the charging/discharge terminal (shared with the charging/discharge terminal).
P- is connected to the negative terminal of the charging/discharge terminal (shared with the charging/discharge terminal).

What’s in the box
1 x 2S 7.4V 20A 18650 Lithium Battery Protection Board