70A High Power BMS Discharge Protection PCB Board For 18V/20V MAX Lithium-Ion Battery Packs
- 72 V Bms 70A High Power BMS Discharge Protection PCB Board For 18V/20V MAX Lithium-Ion Battery Packs
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About This Product
Building or repairing a power tool battery pack?
This is the brain you need.
It's a high-power 70A BMS (Battery Management System) PCB designed specifically for 18V or 20V MAX lithium-ion battery packs.
This is for the discharge protection, keeping your cells safe from over-current, short circuits, and other issues.
Please note: this is just the circuit board—no batteries are included.
It's an unbranded board, but it's built to handle serious current.
![Protection Circuit Module [PCB] for 11.1V (3S) Li-ion Battery Pack (Working 5A, Cutoff 6A](https://cdn11.bigcommerce.com/s-g2o7t0ov4m/products/1044/images/1030/32005_x350__54322.1581948788.500.750.jpg?c=2 "Protection Circuit Module [PCB] for 11.1V (3S) Li-ion Battery Pack (Working 5A, Cutoff 6A")
If you're rebuilding a pack or creating a custom battery solution for a project, this is a critical component to do it safely.
It's black, compact, and designed to handle the high draw of power tools.
![Protection Circuit Module [PCB] for 7.4V (2S) Li-ion Battery Pack (Cutoff 11A](https://m.media-amazon.com/images/I/61yATGfz6mL.jpg "Protection Circuit Module [PCB] for 7.4V (2S) Li-ion Battery Pack (Cutoff 11A")
Make sure you know your way around Li-ion cells before tackling this project.
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