Skip to main content
Shop with CelesteCeleste

Celestehere!

I’m your shopping assistant for PC builds, upgrades, and everything tech.

Got questions? Ask away!

Start a conversation

Get to know me

Hey!

How can we help you today?

Track a packageStart a returnCancel an orderResolve a payment issueBilling, declined cards, and payment method updateMy Account & SecurityUpdate passwords and security settings

Need more help?

Visit Help Center
All Categories
Build Tools & Resources New & Trending Offers for You
Newegg Business
Your Browsing History
  1. Home
  2. Electronics
  3. Electronic Components
  4. Circuit Protection
  5. Generic Brand

  6. Item#: 9SIC91XM9A4983

  • $13.89
  • Free 30-day Returns
  • Limit 99999 per customer.
    Ships from China.
    Sold by GeekSpace

    Shipped by GeekSpace

    Price alert
    Add to Wish List
    Shop it at NeweggBusiness.

    Meet Your Seller

    GeekSpace
    Shop All Generic Brand Products | Visit GeekSpace Store
    FOLLOW

    5S 20A BMS Battery Protection Board Lithium Battery Management Module with DC Connector 18V/21V Charge and Discharge Control NTC Temperature Protection for Power Tool Packs and DIY Power Banks 2Pcs

    Be the first to review this product...
    • Includes 2 battery protection boards for 5S 18V/21V lithium battery packs.
    • Rated at 20A for charge and discharge management in compatible 5S lithium battery assemblies.
    • Built-in NTC temperature protection monitors battery temperature and cuts off power during overheating.
    • Provides overcharge protection to help prevent lithium battery packs from charging beyond safe limits.
    • Provides over-discharge, over-current, and short-circuit protection for multi-layer battery pack safety.
    • Onboard DC connector simplifies wiring and assembly for lithium battery pack builds.
    • Compact PCB design supports installation in electric power tool battery packs, DIY power banks, and small energy storage equipment.
    +
    +
    Overview
    Specs
    Reviews

    Any questions? Ask CelesteSM will help you find out quickly.

    Try me now

    Product Description:

    A 5S 20A battery protection board for managing charging and discharging in 18V/21V lithium battery packs used in electric power tools and DIY power banks.

    Core Selling Points:

    NTC temperature protection monitors temperature and cuts off power during overheating. Additional protection covers overcharge, over-discharge, over-current, and short circuits. The DC connector supports wiring and assembly.

    Technical Specifications:

    Type: 5S lithium battery BMS protection board. Rated current: 20A. Battery voltage: 18V/21V. Connector: DC connector. Design: compact PCB.

    Package Contents:

    2 battery protection boards.

    Before Purchase:

    For 5S lithium battery packs rated at 18V/21V. Check battery pack voltage and DC connector requirements before purchase.

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
    • CONTACT

    Return Policies

    • Return for refund within: 30 days
    • Return for replacement within: non-replaceable
    • This item is covered by GeekSpace Return Policy

    Manufacturer Contact Info

    LOADING...