18V Li-Ion BMS PCBA Balance Charging Circuit Board BL1830–1890
18V Li-Ion BMS PCBA Balance Charging Circuit Board BL1830–1890
18V Li-Ion BMS Protection Circuit Board for BL1830 / BL1860 / BL1890 Battery Packs
Keep your 18V lithium-ion power tool battery packs running at peak performance with this precision-engineered Battery Management System (BMS) PCBA. Designed as a direct-fit replacement circuit board for compatible BL1830, BL1860, and BL1890 battery cases, this board delivers intelligent balance charging and multi-layer electronic protection in a compact, easy-to-install form factor.
Made in Mainland China.
Key Features
- Multi-Layer Protection: Built-in safeguards against overcharge, over-discharge, short circuit, overload, and overheating automatically cut power under unsafe conditions — helping extend overall battery longevity.
- Balanced Cell Charging: The active balance charging circuit distributes charge evenly across all cells, maximizing capacity and ensuring consistent, stable output from your battery pack.
- Stable Long-Term Performance: Engineered for reliable, uninterrupted operation so your power tools maintain consistent performance without unexpected power interruptions.
- Energy-Efficient Design: An integrated power management system minimizes unnecessary energy draw, helping your battery run longer between charges.
- Compact & Lightweight: Slim-profile PCB design adds no meaningful bulk or weight to your existing battery case — drop-in installation with no modifications required.
- Great Value: Professional-grade battery protection and management at an accessible price point — an economical upgrade for DIYers and power tool enthusiasts alike.
Specifications
| Compatible Battery Voltage | 18V Li-Ion |
| Compatible Models | BL1830, BL1860, BL1890 battery cases |
| Board Type | BMS PCBA (Balance Charging Circuit) |
| Material | Plastic / PCB |
| Package Contents | 1 × BMS Protection Circuit Board |
| Battery Included | No |
| Charger Included | No |
What's in the Box?
- 1 × BMS PCBA Circuit Board
Note: Screen color calibration and lighting conditions may cause slight color variation from product images. Minor dimensional tolerances of ±1–2mm may apply due to manual measurement.
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: Which battery models is this BMS circuit board compatible with?
A: This BMS PCBA is designed to fit 18V lithium-ion battery cases compatible with the BL1830, BL1860, and BL1890 battery pack form factors. Always verify your battery case dimensions and connector layout before installation.
Q: Does this board come with batteries or a charger?
A: No — this listing includes only the BMS PCBA circuit board (1 piece). Batteries and chargers are sold separately.
Q: What protections does the BMS board provide?
A: The board includes built-in electronic protection against overcharge, over-discharge, short circuits, overload conditions, and overheating — automatically interrupting the circuit when any unsafe condition is detected to help safeguard your battery cells.
Q: Is this circuit board difficult to install?
A: The compact, slim-profile board is designed for straightforward installation inside compatible 18V battery cases. Basic electronics knowledge and soldering skills are recommended for best results.
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.