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The 10A BMS Charger for Li-ion Lithium Battery 3S 12V 18650 is a battery management and protection module designed for 3-series (3S) lithium-ion battery packs made from compatible 18650 cells. It helps provide essential battery protection functions while managing the pack during charging and discharging.
A 3S lithium-ion pack typically uses three cells or cell groups connected in series, with a nominal pack voltage of approximately 11.1V and a full-charge voltage of approximately 12.6V.
Designed for 3S Li-ion battery packs
Compatible with suitable 18650 lithium-ion cells
Nominal battery voltage: approximately 11.1V
Full-charge voltage: approximately 12.6V
Maximum current rating: up to 10A, depending on the specific BMS version
Provides battery protection functions
Helps protect against overcharge
Helps protect against over-discharge
Provides over-current/short-circuit protection on supported versions
Compact PCB design
Suitable for DIY battery-pack applications
3S 18650 battery packs
Portable electronic devices
DIY rechargeable power systems
LED lighting systems
Robotics projects
Portable equipment
DIY UPS and backup-power projects
Electric and electronic projects requiring a protected 3S Li-ion pack
The 10A 3S 12V Li-ion BMS provides an important layer of battery protection and management for compatible lithium-ion battery packs, making it useful for DIY power systems, electronics projects, and portable applications.
Important Note: This is a 3S BMS, not a universal lithium battery charger. Use a proper 12.6V CC/CV Li-ion charger suitable for a 3S pack and follow the BMS manufacturer's wiring diagram. Connect the cells with the correct polarity and ensure the cells are properly matched. The stated 10A rating is model-dependent and should not be assumed to be a continuous 10A rating without checking the specific manufacturer's datasheet. Lithium-ion cells can present a fire and explosion hazard if incorrectly charged, connected, or protected.