Product OverviewThe 3S 11.1V 10A Li-Ion Cell BMS Charging Protection Module is a compact, high-performance battery management system designed for 3-cell (3S) 11.1V Lithium-Ion and Lithium-Polymer battery packs. With a continuous discharge rating of 10A and robust protective functions, this 3S 11.1V BMS is ideal for robotics, drones, LED lighting, portable electronics, and DIY battery projects.Key FeaturesDesigned for 3S (11.1V) Li-Ion / Li-Po battery packsContinuous discharge current: 10APeak overcurrent cutoff: ~15AOvercharge cutoff: ~4.25 ±0.05V per cellOver-discharge cutoff: ~2.7 ±0.1V per cellBuilt-in overcurrent and short-circuit protectionIntegrated cell balancing for equal charge and longer pack lifeCompact PCB form factor for easy integration into custom packs and projectsProtections and How It WorksOvercharge protection: The BMS disconnects charging when any cell reaches approximately 4.25V to prevent overvoltage stress.Over-discharge protection: The load is disconnected when any cell drops near 2.7V to prevent permanent cell damage.Overcurrent protection: The module cuts power if current exceeds the safety threshold (approx. 15A peak), protecting wiring and cells.Short-circuit protection: Rapid response protection prevents excessive current flow in fault conditions.Cell balancing: Passive balancing keeps all three cells within a narrow voltage window for maximum usable capacity and longer cycle life.Automatic recovery: The BMS will restore output once voltage and current return to safe ranges, simplifying reuse after a trip event.Technical SpecificationsSupported configuration: 3S (3-cell) 11.1V Li-Ion / Li-PoContinuous discharge: 10APeak overcurrent cutoff: ~15AOvercharge cutoff voltage: ~4.25 ±0.05V per cellOver-discharge cutoff voltage: ~2.7 ±0.1V per cellOperating temperature: -20°C to 60°CCharger compatibility: CC/CV Li-Ion chargersPCB: Compact design for easy integration into battery packs and devicesApplicationsDIY 11.1V battery pack buildsRobotics and automation systemsLED lighting and strip installationsPortable electronic devices and toolsSmall RC models and dronesIoT power modules and remote sensorsInstallation and Usage TipsUse a compatible CC/CV charger set for 3S Li-Ion/Li-Po chemistry.Verify correct cell order and balance leads before connecting to avoid damage.Ensure wiring and connectors are rated above the 10A continuous current for safety margins.Keep the module within the specified operating temperature range for reliable protection.Periodically check cell voltages to confirm balancing is working as expected.Why Choose This 3S 11.1V 10A Li-Ion BMSThis BMS combines proven safety features with integrated cell balancing and a compact footprint, making it an excellent choice for hobbyists and small-scale professional projects that need reliable 11.1V battery protection without adding bulk.Note: Images are for illustration purposes only. Category: BMS Modules and Accessories College Road Electronics4.85 (317 Reviews)
