Are you building a DIY lithium battery pack and worried about overcharge, over-discharge, short circuits, or overheating? Look no further! The BMS 1S 2S 3S 4S 5S 10A/25A Protection Circuit Board is your essential safeguard for 18650 Li-ion and LiPo batteries — now available at an unbeatable price of just $2.79.
This compact yet powerful Battery Management System (BMS) module supports configurations from 1S to 5S, making it ideal for a wide range of applications including flashlights, power banks, solar storage, e-bikes, and portable electronics. With a continuous discharge rating of up to 25A (for 3S-5S) and 10A (for 1S-2S), it delivers reliable performance under load while actively monitoring voltage, current, and temperature.
Key features include:
- Overcharge Protection: Prevents cell voltage from exceeding safe limits.
- Over-discharge Protection: Safeguards against deep discharge that damages batteries.
- Overcurrent & Short Circuit Protection: Instantly cuts power during abnormal current spikes.
- Temperature Monitoring: Helps prevent thermal runaway in high-demand setups.
- Balancing Function (on select models): Ensures even charge distribution across cells.
Whether you’re a hobbyist, maker, or electronics enthusiast, this BMS module offers professional-grade protection in a tiny, easy-to-install package. The clearly labeled terminals and robust PCB design make integration simple — even for beginners.
With over 2,957 units sold, this product has proven its reliability and popularity among global buyers. Don’t compromise on safety — protect your investment and extend battery life with this critical component.
🔋 Upgrade your battery pack today for just $2.79!
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