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Li-ion Battery Charger Protection Module 3S 10A

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


SKU: OKY3602 Categories: ,

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Li-ion Battery Charger Protection Module 3S 10A Charger BMS Protection Board Module is a small PCB mounted Lithium Battery charger protection module. This small and smart BMS module comes with various features like Short circuit, Overcharge, Over-discharge, Overcurrent protection. It is straightforward to install and convenient to use in all your DIY portable projects.

Li-ion Battery Charger  3S 10A   has Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit). MOS transistor can control the battery charge and discharge.

BMS may also feature a precharge system allowing a safe way to connect the battery to different loads and eliminating the excessive inrush currents to load capacitors.


  • Short circuit protection
  • Overcharge protection
  • Over-discharge protection
  • Overcurrent protection
  • Overcharge Detection Voltage: 4.25±0.05V
  • Over-Discharge Detection Voltage: :2.54±0.1V
  • Maximum working current: 5A-8A
  • Transient current: 9A-10A
  • Maximum discharge current: 10A
  • Operating Temperature: -40-50℃
  • Internal Resistance: Less than 45m Ω
  • 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- Negative
  • P+: Output / Charging V+
  • P-: Output / Charging V-
  • Internal resistance: < 60mΩ
  • Life span: > 30000 hours
  • Size: Approx. 50x16x2mm
  • you can use it on the following configurations:
    10.8V (polymer batteries)
    11.1V (18650 or 3.7V lithium battery)
    12.6V (maximum charged battery voltage)

Development  Resources: demo codes, schematics, datasheets, etc

How to make 7.4 – 8.4V DC Battery Pack 2 18650 circuit protection Diagram


1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different photographing light, angle and display monitor.

Li-ion Battery Charger Protection Module 3S 10A

SKU: OKY3602 Categories: ,


10 in stock

Title Range Discount
Qty Discount 5 + 5%
Qty Discount 10 + 7.5%

Product Applications

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Tempero Systems offers many custom IoT electronic design services to help tailor our product to your exact needs. Whether you are looking for custom firmware, circuit board modifications, metal enclosures, or industrial color printing, we can help you with a wide variety of design services.