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3S 10A BMS (Battery Protection Module)

SKU: AFJZFKWIP0
The 3S 10A BMS (Battery Management System) is a protection module designed for 3-cell (3S) Lithium-Ion or Lithium-Polymer battery packs. It provides essential battery protection functions including overcharge protection, over-discharge protection, overcurrent protection, and short-circuit protection, helping to improve battery safety, reliability, and lifespan. Designed to manage battery packs with a nominal voltage of 11.1V and a fully charged voltage...
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Specifications

Specifications:

Battery Configuration: 3S (3 Cells in Series)
Compatible Battery Type: Lithium-Ion / Lithium Polymer (Li-Ion / Li-Po)
Nominal Battery Voltage: 11.1V
Fully Charged Voltage: 12.6V
Maximum Continuous Discharge Current: 10A
Maximum Charging Current: 10A
Overcharge Protection Voltage: 4.25V ± 0.05V per Cell
Overcharge Release Voltage: 4.15V ± 0.05V per Cell
Over-Discharge Protection Voltage: 2.5V ± 0.1V per Cell
Over-Discharge Release Voltage: 3.0V ± 0.1V per Cell
Overcurrent Protection: Yes
Short-Circuit Protection: Yes
Balancing Function: Model Dependent
Operating Temperature: -20°C to +60°C
Storage Temperature: -40°C to +85°C
PCB Material: FR4
Mounting Type: PCB Module
Dimensions: Approximately 42mm × 16mm × 3mm
Weight: Approximately 5g – 10g

Additional Resources

BMS.PDF

FAQ

1. What is a 3S 10A BMS used for?

The module is used to protect and manage 3-cell lithium battery packs by preventing overcharging, over-discharging, overcurrent conditions, and short circuits.

2. What batteries are compatible with this BMS?

The BMS is designed for 3S Lithium-Ion and Lithium-Polymer battery packs with a nominal voltage of 11.1V and a full charge voltage of 12.6V.

3. What does the 10A rating mean?

The 10A rating indicates the maximum continuous current that the BMS can safely handle during charging and discharging.

4. Does the module provide short-circuit protection?

Yes, the BMS includes built-in short-circuit protection to help prevent battery and circuit damage.

5. Can this BMS increase battery life?

Yes, by protecting the battery from unsafe operating conditions such as overcharging and deep discharge, the BMS helps extend battery life and improve overall safety.

View full product details

The 3S 10A BMS (Battery Management System) is a protection module designed for 3-cell (3S) Lithium-Ion or Lithium-Polymer battery packs. It provides essential battery protection functions including overcharge protection, over-discharge protection, overcurrent protection, and short-circuit protection, helping to improve battery safety, reliability, and lifespan.

Designed to manage battery packs with a nominal voltage of 11.1V and a fully charged voltage of 12.6V, the module continuously monitors individual cell voltages and load current. When abnormal conditions occur, the BMS automatically disconnects the battery to prevent damage and unsafe operation.

The compact design and high-current capability make it suitable for DIY battery packs, portable electronics, robotics, LED lighting systems, power banks, and energy storage applications.

Key Features

  • Designed for 3S lithium battery packs
  • Supports Lithium-Ion and Lithium-Polymer batteries
  • Overcharge protection
  • Over-discharge protection
  • Overcurrent protection
  • Short-circuit protection
  • Cell voltage balancing support (model dependent)
  • Compact and lightweight design
  • Improves battery lifespan
  • Enhances battery safety
  • Automatic recovery after fault removal
  • Low power consumption
  • Easy wiring and installation
  • Suitable for DIY battery pack projects