Browse our range of 2S Li-ion BMS modules designed for 2-cell (7.4V) lithium-ion battery packs. These compact and efficient protection boards are available in various output current options, ideal for applications like DIY battery projects, LED lighting systems, small electric tools, and portable electronics. Each module provides essential safety features including overcharge, over-discharge, overcurrent, and short circuit protection, along with cell balancing to ensure consistent performance and extended battery life. Whether you’re building a custom 2S 18650 pack or replacing an old BMS, these modules are easy to integrate and deliver reliable performance. Choose the right BMS to match your current and voltage needs and keep your 2S Li-ion battery packs running safely and efficiently.