BMS 7s 20A with Connector for 18650 Battery


In stock

SKU: 699530
  1. Supported battery type: 7 cells 4.2V Lithium ion battery
  2. Working current: 20 A
  3. Static power: <500uA
  4. Over current threshold: 30 A


(Including GST)

In stock

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Brand: Generic
Category: Battery Protection Board

This Lithium ion battery protection PCB protect single Lithium ion batteries and it has 20A continuous current. It is suitable for electric drills,motors,or aircraft models which require heavy current load.


  1. Overcharge protection function:Yes
  2. Discharge protection function:Yes
  3. Over current protection function:Yes
  4. Balanced protection function:Yes
  5. Over-current release: Disconnect the load release
  6. Short circuit protection function: Yes(Disconnect the load can recover.)

Package Includes:

1 x BMS 7s 20A with Connector for 18650 Battery

SKU: 699530 Category:
Over current threshold

30 A

Balancing the locus of control

4.18±0.03 V

Overcharge threshold

4.3±0.05 V

Overcharge time delay


Overcharge release

4.1±0.05 V

Discharge threshold

2.4±0.08 V

Discharge delay


Length (mm)


Width (mm)


Height (mm)


Weight (gm)


Shipment Weight

0.037 kg

Shipment Dimensions

10 × 5 × 2 cm

Questions and answers of the customers

  1. 0 votes
    Q Does it balance the cells? answer now
    Asked by Sparks on September 2, 2023 1:25 pm


  2. 0 votes
    Q How is the Voltage
    Asked by sahukhemchand0805 on July 21, 2023 8:18 am
    There are no answers for this question yet. Answer now
  3. 1 vote
    Q What is the max charge voltage?
    Asked by shiuleethakur1994 on February 13, 2023 8:06 pm
    There are no answers for this question yet. Answer now
  4. 0 votes
    Q whether connection diagram will be included with delivery answer now
    Asked by bkjalan.rnc on December 13, 2021 3:17 pm


    No the connection diagram is not ... Read more

  5. 0 votes
    Q Please share me connection diagram answer now
    Asked by pradeepkumarparija34 on February 13, 2021 5:25 pm

    Contact at [email protected]

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Country Of Origin: China