BMS NMC 7S 20A JBD (HP07SA) (548a)
Product Price
₹415
Description
JBD BMS NMC 7S 20AMP Hardware (HP07SA)
Product Data Sheet (HP07SA)
The JBD HP07SA V1.3 is a compact, intelligent Battery Management System (BMS) tailored for 7S (25.9V nominal) Li-ion/NMC (3.7V per cell) battery packs. Built to handle up to 20A continuous current, this BMS delivers essential safety, reliable cell balancing, and compact integration for small-to-medium power applications such as portable energy storage, e-bikes, and power tools.
Manufactured by Jiabaida (JBD), a leader in battery safety systems, this BMS offers premium reliability, passive cell balancing, and core protections — all in a palm-sized, durable PCB.
Technical Specifications
| Specification | Details |
|---|---|
| Battery Type | Li-ion / NMC (3.7V nominal) |
| Series Configuration | 7S (25.9V nominal, 29.4V max) |
| Rated Current | 20A Continuous Charge/Discharge |
| Port Type | Common Port (Shared charge/discharge) |
| Balancing Method | Passive balancing |
| Balancing Current | ~30-50mA (typical) |
| Overcharge Protection | ~4.25V/cell |
| Overdischarge Cutoff | ~2.8V/cell |
| Circuit Resistance | ≤20mΩ |
| Power Consumption | ≤50μA |
| Operating Temp Range | -20°C to +65°C |
| Dimensions | Ultra-compact footprint |
Key Features
Full Range Safety Protections
The HP07SA protects your battery system with intelligent, hardware-based safety controls:
- Overcharge Protection – Prevents cell damage and swelling
- Overdischarge Protection – Extends pack lifespan
- Overcurrent Protection – Stops overload situations
- Short Circuit Protection – Immediate disconnection to prevent damage
- Temperature Monitoring – Maintains safe thermal operation
These layers of protection ensure long-term performance and peace of mind.
Passive Balancing
- This model features passive balance control, equalizing cell voltages across all 7 cells.
- Helps improve efficiency, charge retention, and safety under high loads.
Simple & Efficient Design
- Designed with minimal footprint for portable and space-constrained systems.
- Ideal for sealed battery cases or integrated designs.
- No external relay or software setup required.
Applications
This BMS is the ideal protection solution for a wide variety of compact and mid-power lithium-ion systems:
- E-Bikes & E-Scooters
- Portable Power Stations
- Electric Tools
- DIY Battery Packs
- Small Solar Storage Packs
- Hoverboards & Balance Wheels
The BMS NMC 7S20A JBD (HP07SA) is a Battery Management System (BMS) designed for 7 series Nickel Manganese Cobalt (NMC) battery packs, supporting a 20A continuous discharge current. It is ideal for moderate power applications such as energy storage systems, electric vehicles, and power tools. The BMS ensures the safe operation of the battery pack by providing protection against overcharge, over-discharge, overcurrent, short circuit, and temperature extremes. It features cell balancing to maintain consistent voltage across all cells, improving efficiency and extending battery life. The JBD HP07SA model ensures reliable performance and is equipped with communication interfaces for real-time monitoring and diagnostics.