3S type C BMS

3S Type-C Lithium-Ion Battery BMS (Charging & Protection Module)

The 3S Type-C BMS Module is a compact and efficient solution designed for managing and protecting 3-cell (3S) lithium-ion battery packs. With a built-in Type-C charging interface and advanced protection features, it ensures safe charging, balanced performance, and extended battery life for high-power applications.

Key Features

• 3S Battery Support – Designed for 3-cell (11.1V nominal, 12.6V full charge) Li-ion/LiPo packs
• Type-C Input – Convenient and modern USB Type-C charging interface
• Battery Protection Circuit – Overcharge, over-discharge, overcurrent, and short-circuit protection
• Cell Balancing – Maintains equal voltage across all cells for longer battery life
• Stable Charging – Efficient and controlled charging process
• Compact Design – Suitable for portable and embedded systems
• Multiple Output Pads – Easy battery and load connections

Applications

• DIY Battery Packs – 12V Li-ion battery systems
• Electric Projects – Small e-bikes, robotics, and motor drivers
• Power Backup Systems – Portable UPS and backup units
• IoT & Embedded Systems – Higher voltage battery-powered devices
• LED Lighting Systems – Rechargeable 12V lighting setups

Technical Specifications

• Battery Configuration: 3S (3 cells in series)
• Input Voltage: 5V (Type-C) (charging boost circuit dependent)
• Battery Type: Lithium-ion / LiPo
• Nominal Voltage: 11.1V
• Full Charge Voltage: 12.6V
• Protection Features: Overcharge, over-discharge, overcurrent, short circuit
• Balancing: Passive cell balancing (model dependent)
• Charging Current: Model dependent (commonly 1A–3A)
• Output Voltage: 9V – 12.6V (depending on battery level)

Product Example

3S Type-C 12.6V Lithium Battery BMS with Protection & Balancing
A reliable module for charging and protecting 3-cell Li-ion battery packs.

Why Choose 3S Type-C BMS?

• All-in-one charging + protection solution
• Ideal for 12V battery applications
• Improves battery safety and lifespan
• Easy to integrate into DIY power systems
• Compact and efficient design

⚠️ Important Notes

• Use only with 3 matched lithium cells (same capacity & type)
• Ensure correct battery wiring (B+, B-, B1, B2 connections)
• Not all modules include true balancing — verify before use
• Type-C input may require boost circuitry (depends on module design)
• Do NOT short circuit or reverse polarity