2S 5A 8.4V 18650 Lithium Battery Charger Board Protection Module

(3 customer reviews)

In stock

SKU: 44010
  1. Input Voltage: 8.4 –  9V.
  2. Overcharge Detection Voltage: 4.25-4.35V±0.05V.
  3. Over-Discharge Detection Voltage: 2.3-3.0V±0.05V.
  4. Maximum Working Current: 5A.
  5. Transient Current: 7A.


(Including GST)

In stock

Purchase this product now and earn 1 Robu Point!

Have any issues, Get support here.
Have a bulk requirement, mail us to [email protected]
Category: Battery Protection Board

2S 5A 8.4V 18650 Lithium Battery Charger Board Protection Module has the main IC using original “precision” imported components. With overcharge, over-discharge, over current, short circuit protection function, for a variety of different shapes of 3.7V capacity lithium batteries. Using the Japanese precision protection IC, VISHAY, AOS, IR, and other high-quality MOSFET, an FR-4 low-temperature coefficient of the plate, well-designed, comprehensive test. Compact size, suitable for many requirements of high integration, low-cost occasions, can meet the performance requirements of many aspects, to ensure the absolute safety of the battery group.

Protections :

  1. Short circuit protection.
  2. Overcharge protection.
  3. Over-discharge protection.
  4. Over-current protection.

Connections :

MB: The Common connection point between the batteries.

B+: Battery V+ Positive.
B-: Battery V- Negative.
P+: Charging V+.
P-: Charging V-.

Specifications :

  1. Maximum Working Current: 5A.
  2. Transient Current: 7A..
  3. Operating Temperature: -40-50℃.
  4. Internal Resistance: Less than 45m Ω.
  5. B+ B-: The interface of battery core.
  6. P+ P-: The connector of the battery board.

Package Includes :

1 x 2S 5A 8.4V 18650 Lithium Battery Charger Board Protection Module.

SKU: 44010 Category:

2 Cell

Input Voltage (V)

8.4 ~ 9

Overcharge detection voltage (V)

4.25 ± 0.025

Over-discharge detection voltage (V)

4.25 ± 0.025

Over current Protection (A)


Working current (A)


Operating Temperature (°C)

-40 ~ +50

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.01 kg
Shipping Dimensions 15 × 10 × 6 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 3 reviews

4.7 overall

Add a review

  1. Ranjeet Harane (verified owner)

    Perfect. Outstanding.

    Ranjeet Harane

  2. Arun Kumar N (verified owner)

    The product is as described. Does the job well. Shipping is fast for reasonable price.

    Arun Kumar N

  3. Rohit (verified owner)

    Works very well. Only doenside would be the lack of an indicator led. But it might have been a measure to reduce power wastage. Overall good product.


2S 5A 8.4V 18650 Lithium Battery Charger Board Protection Module

What is Battery Management System? – BMS Building Blocks, Working & Functions

A Battery Management System AKA BMS ensures the safety of the battery pack by continuously monitoring and regulating parameters like temperature & voltage.

Questions and answers of the customers

  1. 1 vote

    It's a protection module for a Lithium Battery ... Read more

  2. 0 votes
    A Please mail us at [email protected] for further guidanc... Read more
Only registered users are eligible to enter questions
Country Of Origin: China

You may also like…