1S 30A BMS Protection Board – LiFePO4 & Li-ion 18650
1S 30A BMS Protection Board – LiFePO4 & Li-ion 18650
1S 30A Single-Cell BMS Protection Board for LiFePO4 & Lithium-Ion Batteries
Keep your single-cell lithium battery packs running safely and efficiently with this compact 1S 30A Battery Management System (BMS) Protection Board. Compatible with 3.2V LiFePO4 and 3.7V lithium-ion 18650 cells (up to 4.2V charging), this SMD module delivers reliable overcharge, over-discharge, and short-circuit protection in a small, low-profile form factor. Made in Mainland China.
Key Features
- Wide Compatibility: Supports 3.2V LiFePO4 and 3.7V–4.2V lithium-ion (18650) battery chemistries.
- 30A Continuous Current Rating: Handles demanding loads with a robust 30A protection threshold.
- Short-Circuit Protection: Instantly cuts power on short-circuit events to protect your battery and connected devices.
- Overcharge & Over-Discharge Protection: Monitors cell voltage to prevent damage from both overcharging and deep discharge.
- SMD Package Design: Ultra-compact surface-mount module for easy integration into DIY battery packs and electronics projects.
- Supply Voltage: 3.5V / 4.2V — suits single-cell configurations.
- Operating Temperature: 0–130°C for versatile use across environments.
- New Condition: Shipped as new, individually packaged unit.
Specifications
| Cell Configuration | 1S (Single Cell) |
| Continuous Current | 30A |
| Compatible Battery Types | 3.2V LiFePO4, 3.7V Li-ion / 18650 (4.2V max charge) |
| Supply Voltage | 3.5V / 4.2V |
| Package Type | SMD Module |
| Operating Temperature | 0–130°C |
| Quantity | 1 pc |
| Country of Origin | Made in Mainland China |
Ideal Applications
This BMS board is perfect for hobbyists, electronics engineers, and DIY enthusiasts building or maintaining single-cell lithium battery packs for:
- Portable power banks and USB chargers
- Small electric vehicles and RC projects
- DIY computer and electronics projects
- Solar energy storage systems
- Flashlights, tools, and other battery-powered devices
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Frequently Asked Questions
Q: What battery types is this 1S 30A BMS protection board compatible with?
A: This BMS protection board is compatible with single-cell 3.2V LiFePO4 batteries and 3.7V lithium-ion (18650) cells with a maximum charge voltage of 4.2V. It covers the most common single-cell lithium chemistries used in DIY electronics and battery pack projects.
Q: What protections does this BMS board provide?
A: The board provides overcharge protection, over-discharge protection, and short-circuit protection. These features help extend battery life and prevent damage to both the battery cell and the connected load, making it a safe and reliable choice for DIY battery management.
Q: Is this BMS board easy to integrate into a DIY project?
A: Yes. The compact SMD module design makes it straightforward to integrate into custom single-cell battery packs. With a supply voltage range of 3.5V–4.2V and an operating temperature up to 130°C, it suits a wide range of electronics and portable power applications.