10PCS 1S BMS PCM Protection Board for 18650 32650 Li-ion
10PCS 1S BMS PCM Protection Board for 18650 32650 Li-ion
10PCS 1S BMS PCM Battery Protection Board – 3.7V 3A Li-ion / 3.2V LiFePO4
Keep your lithium battery packs running safely and efficiently with this 10-piece set of 1S Battery Management System (BMS) Protection Circuit Modules (PCM). Compatible with both 3.7V Li-ion and 3.2V LiFePO4 chemistries, these compact SMD boards are engineered to safeguard 18650, 32650, and similar single-cell battery packs from overcharge, over-discharge, and overcurrent conditions.
Made in Mainland China.
Key Features
- Dual Chemistry Support: Works with 3.7V Li-ion and 3.2V LiFePO4 battery cells for broad compatibility.
- 3A Continuous Current Rating: Handles up to 3A dissipation power, suitable for a wide range of DIY battery pack projects.
- Overcharge & Over-Discharge Protection: Automatically disconnects to prevent cell damage from voltage extremes.
- Short-Circuit & Overcurrent Protection: Built-in safeguards help protect both your battery and connected devices.
- Wide Operating Temperature Range: Rated from -40°C to 80°C, making it reliable across demanding environments.
- SMD Package: Ultra-compact surface-mount design ideal for integration into tight battery pack assemblies.
- Pack of 10: Great value — 10 boards per order so you always have spares for prototyping or production runs.
- New Condition: All boards are brand new and ready to use.
Specifications
| Supply Voltage | 3.7V (Li-ion) / 3.2V (LiFePO4) |
| Rated Current | 3A |
| Cell Configuration | 1S (Single Cell) |
| Compatible Cells | 18650, 32650, and equivalent |
| Operating Temperature | -40°C to 80°C |
| Package Type | SMD Module |
| Quantity | 10 Pieces |
| Condition | New |
| Origin | Mainland China |
Who Is This For?
Whether you're a hobbyist building custom battery packs, an electronics engineer prototyping portable power solutions, or a maker working on robotics and RC projects, these BMS PCM boards provide the cell-level protection your build needs. The 10-piece quantity makes this an ideal bulk purchase for workshop stock or repeat project use.
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Frequently Asked Questions
Q: What battery chemistries are compatible with this BMS PCM protection board?
A: This 1S BMS PCM board supports both 3.7V Lithium-ion (Li-ion) and 3.2V LiFePO4 (Lithium Iron Phosphate) single-cell batteries, including popular formats such as 18650 and 32650 cells. Always confirm the voltage of your specific cell before installation.
Q: What protection functions does this battery protection board provide?
A: The board provides overcharge protection, over-discharge protection, overcurrent protection, and short-circuit protection — all essential safeguards to extend battery life and protect connected electronics in your battery pack projects.
Q: Is this board suitable for DIY battery pack builds?
A: Yes. The compact SMD module design and wide operating temperature range (-40°C to 80°C) make it well-suited for custom battery packs used in portable electronics, DIY power banks, RC vehicles, robotics, and more. The pack of 10 provides excellent value for workshop and prototyping use.