18V Li-Ion Battery Protection PCB Board for P108 RB18L40 Tools
18V Li-Ion Battery Protection PCB Board for P108 RB18L40 Tools
18V Li-Ion Battery Protection Circuit Board for P108 / RB18L40 Power Tools
Keep your cordless power tools running at peak performance with this replacement 18V Lithium-Ion Battery Protection Circuit Board (PCB). Designed as a direct-fit replacement for P108 and RB18L40 18V battery packs, this board provides reliable charge management and cell protection to extend the life of your battery rebuild or repair project.
⚠️ Please Note: This PCB is intended for use by individuals with hands-on experience in battery assembly and a solid understanding of lithium-ion battery performance. It is not recommended for beginners unfamiliar with battery electronics.
Key Features
- Compatible Models: Designed for 18V P108 and RB18L40 battery packs
- Function: Provides charging and discharging protection for Li-Ion battery cells
- Color: Green (standard PCB finish)
- Material: Resin and metal construction for durability
- Dimensions: Approximately 11 × 4 × 2.3 cm
- Ideal For: Battery repair, rebuilding, and DIY battery assembly projects
Specifications
| Voltage | 18V |
| Battery Type | Lithium-Ion (Li-Ion) |
| Board Color | Green |
| Material | Resin / Metal |
| Size | 11 × 4 × 2.3 cm |
| Compatible With | P108, RB18L40 18V Battery Packs |
| Country of Origin | Made in Mainland China |
Package Contents
- 1 × 18V Li-Ion Battery Protection Circuit Board (PCB)
Important Notes
- Actual product color may vary slightly from images due to monitor brightness and lighting conditions.
- Please allow for minor measurement deviations (±1–3 mm).
- This is a replacement/repair component — professional-level knowledge of battery assembly is strongly recommended.
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Frequently Asked Questions
Q: What battery models is this 18V PCB protection board compatible with?
A: This Li-Ion battery protection circuit board is specifically designed as a replacement for the 18V P108 and RB18L40 battery pack models. Always verify your battery model number before purchasing to ensure compatibility.
Q: Is this PCB board suitable for beginners to install?
A: This board is intended for individuals who are already familiar with lithium-ion battery performance and have practical experience with battery assembly and repair. If you are new to battery electronics, we recommend consulting a professional before attempting installation.
Q: What are the dimensions of this protection circuit board?
A: The board measures approximately 11 × 4 × 2.3 cm. Please allow for slight manual measurement deviations of ±1–3 mm.
Q: What does the battery protection circuit board actually do?
A: The PCB monitors and manages the charging and discharging cycles of your Li-Ion battery cells, helping to prevent overcharging, over-discharging, and short circuits — all of which can degrade battery performance or cause safety issues over time.
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.