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

Description

The 2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module is a small PCB-mounted charger protection module for Li-ion Lithium Batteries. This small and intelligent battery charger protection module includes features such as short circuit protection, overcharge protection, over-discharge protection, and overcurrent protection. It is very simple to set up and use in all of your DIY portable projects.

Pin Descriptions: 

B+ B-: The interface of the battery core

P+ P-: The connector of the battery board

MB: The connection point between the batteries

B+ battery V+ Positive

B- battery V- Positive

P+: Output / Charging V+

P-: Output / Charging V-

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

Features:

1. Over-Discharge Detection Voltage: 2.3-3.0V±0.05V.
2. 3A is the Maximum Working Current
3. 5A Transient Current.
4. Operating Temperature: -40-50 C.
5. Internal Resistance: Less than 45m Ω.
6. B+ B-: The interface of the battery core.
7. P+ P-: The connector of the battery board.
8. MB: The point of contact 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