20V 18650 BMS Lithium Battery Protection Circuit Board
20V 18650 BMS Lithium Battery Protection Circuit Board
20V 18650 Lithium Battery BMS Protection Circuit Board
Keep your power tool battery packs running safely and efficiently with this high-quality 20V BMS (Battery Management System) Protection Circuit Board designed specifically for 18650 lithium-ion battery packs. Built with a dedicated lithium battery IC processor, this board continuously monitors voltage, charge/discharge current, and ambient temperature in real time — ensuring every charge cycle stays safe and controlled.
Made in Mainland China.
Key Features
- Real-Time Monitoring: Specialized IC processor tracks voltage, current, and temperature of each individual cell at all times.
- Multi-Layer Protection: Provides overcharge protection, over-discharge protection, and short-circuit protection to safeguard your battery pack and connected tools.
- Enhanced Safety: Advanced charging protection guards against overheating and overcharging, extending the overall lifespan of your batteries.
- Durable PCB Construction: Crafted from high-quality PCB materials for long-lasting, reliable performance even under demanding workloads.
- Easy Installation: Straightforward, user-friendly design makes this board suitable for professional technicians and DIY enthusiasts alike.
- Designed for Power Tools: Optimized for 20V 18650 lithium battery packs commonly used in electric power tools.
Specifications
- Compatible Battery: 18650 Li-Ion (20V battery packs)
- Primary Use: Electric power tools
- Material: PCB
- Color: As shown
- Battery Included: No
- Charger Included: No
- Origin: Mainland China
Package Contents
- 1× 20V 18650 Battery Protection Circuit Board (BMS)
Note: Due to lighting conditions and display settings, the color of the item may appear slightly different from actual. Measurement tolerance is ±1–3 cm.
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: What battery type is this BMS protection circuit board compatible with?
A: This BMS protection circuit board is specifically designed for 20V 18650 lithium-ion (Li-Ion) battery packs, commonly used in electric power tools. It is not compatible with other battery chemistries such as NiMH or NiCd.
Q: What protections does this circuit board provide?
A: The board provides overcharge protection, over-discharge protection, and short-circuit protection. It uses a dedicated lithium battery IC to monitor voltage, current, and ambient temperature in real time, helping to maintain safe operation of your 18650 battery pack.
Q: Is this board easy to install for a DIY project?
A: Yes! The circuit board is designed with a user-friendly layout, making installation straightforward for both professional technicians and experienced DIY enthusiasts building or repairing 18650 lithium battery packs for power tools.
Q: Does this product include batteries or a charger?
A: No, this listing includes only the BMS protection circuit board itself. Batteries and chargers are sold separately.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.