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5S 18V 21V 20A Li-ion Battery Protection Board BMS Module for Power Tools - Complete Lithium Battery Pack Management System
Upgrade your lithium battery pack with this reliable 5S 20A BMS protection board. Designed for 18V and 21V systems, it offers full protection against overcharge, over-discharge, and short circuits—perfect for power tools and DIY battery projects.
4/5
239 sales
7 Reviews
11,58€
12,87€
-10%
The price includes VAT
Key points
- Full protection: Overcharge, over-discharge, over-current, short-circuit, and temperature control
- High current capacity: Supports up to 20A continuous operation
- Compatible with 18V and 21V 5S lithium-ion battery packs
- Compact and easy to integrate into custom battery builds
- Enhances battery life and prevents dangerous failures View product presentation
Certificate
PIF_DIP
France
Shipping fee 1,99€
Delivery: may 07 - 12
CAINIAO_FULFILLMENT_STD
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Product presentation
Protect Your Power Tools with Smart Battery Safety – Reliable 5S BMS Board for Maximum Performance!
This high-performance 5S battery protection board is specifically designed for 18V and 21V lithium-ion battery packs, offering robust 20A current handling capability. Ideal for power tools, this BMS (Battery Management System) module ensures safe charging and discharging by providing overcharge, over-discharge, over-current, short-circuit, and temperature protection. The compact design integrates seamlessly into DIY or commercial battery packs, enhancing reliability and longevity. With precise voltage balancing and real-time monitoring features, it's a must-have component for anyone building or upgrading lithium-based power tool batteries.
| Brand Name Baishundianzi |
| Model Number 5S 18V 21V 20A Battery Charging Protection |
| Origin Mainland China |
| High-concerned chemical None |
| Condition New |
| Type Voltage Regulator |
| Supply Voltage 21v |
| Dissipation Power 20a |
| is_customized Yes |
| Operating Temperature -40-+85 |
| Application Computer |
| Package SMD |
Reviews
Works perfectly with my cordless drill battery pack. No more overheating issues.
Protected my battery from damage during fast charging. Solid build quality.
Reliable and efficient. Highly recommend for any lithium battery project.
