3S 15A Lithium Battery BMS - 58x21mm PCB Board with Overcharge/Discharge Protection for LiFePO4 Li-ion
The B055 3S 15A Battery Management System provides comprehensive protection for 3-series ternary lithium batteries. Featuring same-port interface design and supporting maximum 15A working current, this BMS ensures safe and efficient battery operation.
Board Size: 58mm × 21mm
Discharge Current: MAX 15A
Battery Strings: 3S/4S
Voltage: Customizable based on cell type
- Short Circuit Protection
- Over Charge Protection
- Over Discharge Protection
- Over Current Protection
| Parameter | Specification |
|---|---|
| Board Thickness | 0.5-4OZ / 1 Oz / 2Oz or Custom |
| Copper Thickness | 0.2~6mm or Customize |
| Min. Hole Size | T/2mm / 0.2 Mm / 0.15mm or Customize |
| Min. Line Width | 0.15mm / 0.1mm or Customize |
| Surface Finishing | HASL, Immersion gold, Flash gold, Plated silver, OSP |
| Certifications | CE, FCC, RoHS, ISO9001, ISO14001, ISO13485, REACH |
- VDD: Positive Power Supply of Protection IC
- VSS: Negative Power Supply of Protection IC
- V-: Overcurrent and Short Circuit Detection Terminal
- Dout: Discharge Protection Terminal
- Cout: Charging Protection Terminal
- B+ / B-: Connect to battery cell positive/negative terminals
- P+ / P-: Positive and negative output terminals
- T (NTC): Temperature detection port for battery safety
High-Performance Components: Selected high-quality chips and MOS transistors ensure stable circuit system operation with rapid response function for effective battery protection.
- Installation requires basic electronics technical expertise
- First connect B- wire to battery negative terminal using short, thick wire
- Solder wired terminal to battery pack before inserting protection board
- Use thick wires for P+/P- connections to prevent board damage
Ideal for electric bicycles, motorcycles, e-bikes, wheelchairs, tricycles, low-speed vehicles, power tools, startup power systems, and energy storage applications.
Compatible with LiFePO4, Li-ion, LTO, NMC, and LFP battery packs.
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