3S 12V 10A Li-ion BMS Protection Board
₹99.00
- Full Name: 3S 12V 10A Lithium-Ion Battery Management System (BMS)
- Designed for 3S Li-ion/Li-Po battery packs
- Supports 3 × 3.7V cells in series
- Built-in overcharge protection
- Over-discharge protection
- Overcurrent protection
- Short-circuit protection
- Compact PCB design
- Low power consumption
- Easy wiring and installation
The 3S 12V 10A Li-ion BMS Protection Board is a Battery Management System (BMS) designed for 3-series (3S) 3.7V Lithium-Ion (Li-ion) or Lithium Polymer (Li-Po) battery packs. It provides overcharge, over-discharge, overcurrent, and short-circuit protection, ensuring safe charging and discharging of the battery pack. This BMS is ideal for DIY battery packs, power tools, portable speakers, robotics, electric vehicles, UPS systems, and energy storage applications.
Features
- Full Name: 3S 12V 10A Lithium-Ion Battery Management System (BMS)
- Designed for 3S Li-ion/Li-Po battery packs
- Supports 3 × 3.7V cells in series
- Built-in overcharge protection
- Over-discharge protection
- Overcurrent protection
- Short-circuit protection
- Compact PCB design
- Low power consumption
- Easy wiring and installation
Specifications
| Specification | Value |
|---|---|
| Product Type | Battery Management System (BMS) |
| Battery Type | Lithium-Ion (Li-ion) / Lithium Polymer (Li-Po) |
| Battery Configuration | 3S (3 Cells in Series) |
| Nominal Battery Voltage | 11.1V |
| Full Charge Voltage | 12.6V |
| Maximum Continuous Discharge Current | 10A |
| Maximum Charging Current | 10A |
| Cell Balancing | No (Protection Only, Model Dependent) |
| Overcharge Protection Voltage | 4.25V ± 0.05V per Cell |
| Over-discharge Protection Voltage | 2.7V ± 0.1V per Cell |
| Overcurrent Protection | Yes |
| Short-Circuit Protection | Yes |
| Operating Temperature | -20°C to +60°C |
Pin Configuration
| Pin | Description |
|---|---|
| B− | Battery Pack Negative |
| B1 | Cell 1 Positive |
| B2 | Cell 2 Positive |
| B+ | Battery Pack Positive |
| P− | Charge/Discharge Negative |
| P+ | Charge/Discharge Positive (Connected to B+) |
Note: Connect the battery terminals in the correct order (B− → B1 → B2 → B+) before connecting the charger or load. Incorrect wiring can permanently damage the BMS.
Applications
- 3S 11.1V Li-ion battery packs
- DIY battery packs
- Portable speakers
- Power banks
- Robotics
- Electric bicycles and scooters
- UPS and backup power systems
- Solar energy storage
- DIY electronics projects
Advantages
- Complete battery protection
- Prevents overcharging and deep discharge
- Protects against overcurrent and short circuits
- Extends battery life
- Compact and lightweight
- Reliable performance
- Easy to install
Size
| Specification | Value |
|---|---|
| PCB Dimensions | Approx. 50 × 16 × 4 mm |
| Mounting Hole Diameter | Approx. 2 mm |
| Weight | Approx. 8 g |
Package Includes
- 1 × 3S 12V 10A Li-ion BMS Protection Board
Note: This BMS is designed only for 3S (11.1V nominal / 12.6V fully charged) Li-ion or Li-Po battery packs using 3.7V cells. It is not compatible with LiFePO₄ (3.2V) batteries. Use a 12.6V Li-ion charger and verify all wiring before connecting the battery pack, charger, or load to ensure safe and reliable operation.
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