4S High Current up to 30A Lithium Battery Protection Board Four Series of 14.8V 16.8V

(1 customer review)

In stock

SKU: 502572
  1. Overcharge detection voltage: 4.25 ± 0.025V
  2. Overcharge release voltage: 4.15 ± 0.05V
  3. Over-discharge detection voltage: 2.50 ± 0.08V
  4. Over-discharge termination voltage: 3 ± 0.1V
  5. Overcurrent: 20-30A
  6. Working current: 15A


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Brand: Generic
Category: Battery Protection Board

The 4 Series 14.8V 18650 Lithium Battery Equalization Board is suitable for the lithium battery pack with no equalization charge and the charging balance is balanced Make each battery in the battery pack full of electricity at the same time.

This new 4 string lithium battery protection board is suitable for the nominal voltage 14.4V lithium battery pack, 14.8V lithium battery pack, 16.8V lithium battery pack. With automatic activation, protection conditions automatically restored after the restoration of protection, no charger activation, the use of more convenient.

The protection board can be modified according to your requirements voltage, current, and other parameters.


  1.  The module name: 4 string lithium battery protection board.
  2.  The modular nature: polymer lithium battery protection board.
  3. Overcharge release voltage: 4.15 ± 0.05V.
  4. Over-discharge termination voltage: 3 ± 0.1V.
  5. Working current: 15A (natural cooling:10A, plus the heat sink:15A, the maximum instantaneous current:30A)
  6. Termination conditions: the release of protection condition then automatic recovery, without activation (optional charger to activate).
  7. Main functions: the overcharge protection function, over-discharge protection, short-circuit protection, over current protection.
  8. Working temperature: -40~+85 degrees (high-temperature environment and please strengthen radiating).
  9. Connection: welding output.

Package Includes:

1 x 4S High Current up to 30A Lithium Battery Protection Board Four Series of 14.8V 16.8V

SKU: 502572 Category:
Overcharge detection voltage (V)

4.25 ± 0.025

Over-discharge detection voltage (V)

2.50 ± 0.08

Over current (A)

20 ~ 30

Working current (A)


Operating Temperature (°C)

-40 ~ +85

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.005 kg
Shipping Dimensions 6 × 4 × 2 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 1 review

5.0 overall

Add a review

  1. Satyanaran Jangid (verified owner)

    Good quality

    Satyanaran Jangid

Questions and answers of the customers

    Can I please have the wiring diagram to connect th... Read more
  1. 1 vote
    Q Can I please have the wiring diagram to connect the four batteries? I just received the board, bu...... Read more answer now
    Asked by ngulhati on September 29, 2020 11:45 am
    A check this wiring diagram https://ae01.alicdn.com/... Read more
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Country Of Origin: China