Pack of 5 18650 BMS 1S 10A 4MOS lithium batteries, 1S 3.7V 10A 4MOS BMS for building 18650 cells with protection against overcharge, overcurrent and...

The 1S 3.7V 18650 BMS module supports a lithium-ion cell and is compatible with the 18650 pack for power bank repair, flashlight projects, small audio devices, and STEM learning kits. The 10A 4MOS protection board balances charging and discharging to support stable current distribution. Suitable for single-cell builds that require efficient cutoff during high-load events without complex wiring. Overload and overcurrent protection adds overcurrent response and short-circuit protection to safeguard the cell. Helps extend battery life during daily cycling in portable equipment and DIY applications. The compact 18650 PCB module features clear solder pads for quick assembly and replacement. Lightweight design that fits into tight spaces in portable tools, custom speakers, sensors, and classroom electronics projects. DIY battery applications include home bench work, fabrication labs, student practice, and field prototyping. Build or refurbish unique cell packs for flashlights, toys, emergency gadgets, and small portable devices.