2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module

2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module is a small PCB mounted Li-ion Lithium Battery charger protection module. This small and smart battery charger protection module comes with various features like Short circuit protection, Overcharge protection, Over-discharge protection, Overcurrent protection. It is very easy to install and convenient to use in all your DIY portable projects.

Features :

• Over-Discharge Detection Voltage: 2.3-3.0V±0.05V.
• Maximum Working Current: 3A.
• Transient Current: 5A.
• Operating Temperature : -40-50 C.
• Internal Resistance: Less than 45m Ω.
• B+ B-: The interface of battery core.
• P+ P-: The connector of the battery board.
• MB: The connection point between the batteries.

Specifications:

Battery	2 Cell
Overcharge detection voltage (V)	4.25 ± 0.025
Over-discharge detection voltage (V)	2.50 ± 0.08
Over current Protection (A)	5
Working current (A)	3
Operating Temperature (°C)	-40 ~ +85
Length (mm)	36.5
Width (mm)	6.5
Height (mm)	2
Weight (gm)	1

Pin Descriptions: 

• B+ B-: The interface of battery core
• P+ P-: The connector of the battery board
• MB: The connection point between the batteries
• B+: Battery V+ Positive
• B-: Battery V- Negative
• P+: Output / Charging V+
• P-: Output / Charging V-

Package Includes :

• 1 x 2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module.

Note:

• The protection board cannot be used for lithium iron phosphate batteries, hernia lamps, hand drill battery pack, electric fish battery pack, electric bicycle battery pack, buggy battery, 775 (4A) above the motor, 1W fisheye LED lamp.