3 Series 11.1V, 12V, 12.6V Lithium Battery Protection Plate with Overcharge, Over Discharge, Short-Circuit Function, 10A Current Battery Management System BMS (3 pcs)

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In 3S 10A 12V 18650 Lithium Battery Charger Board Protection Module, 3S stands for 3 18650 batteries or polymer lithium battery series combination. With 10.8V rated voltage for polymer battery, 11.1V 18650 or 3.7V lithium battery rated voltage and 12.6V lithium battery can be charged. And discharge 10A (referring to the maximum discharge current limit) Lithium battery protection board it also Comes with over-charge, over-discharge, over-current, short circuit protection. 

formula expansion :

1C battery expansion, 2000 capacity is equal to 2AH * 1 = 2A upper limit of current. 3C battery expansion, 2000 capacity equal to 2AH * 3 = 6A upper operating current. 

Notes :

1: strictly according to the drawing wiring 0 V (B), 3.7 V (B1), 7.4 V (B2), 11.1 V (B +), not intentionally short circuit!

2: Once you have charged the first line, it will have output. 

3: When connecting three battery groups, please make sure that the voltage of each battery group, if not the same, fill each battery separately and then use it in series. discharge test, the fastest battery voltage drop, which group is low battery.


The protection board cannot be used for lithium iron phosphate batteries, lamp hernia, hand drill battery, electric battery fish, electric bicycle battery, car battery for children, 775 (4A) motor, 1 W fish eye LED light. Described in terms of power for the following products: Massager rechargeable battery, LED ready light power supply, 12 V electronic products, solar street lamp battery, power backup monitor, and other products. 

Features :

1. Operating current : 6 – 8A.

2. Current limit : 10 – 13A.

3. Storage condition : -40 ~ +80 ℃.

4. Resting current: less than 30uA.

5. Effective lifetime: over 30,000 hours.

6. Short-circuit protection: protection.

Package Includes :

3 x 3S 10A 12V 18650 Lithium BMS