BMS NMC 17S 40A JBD (ZP20S007) (56a5)

JBD BMS NMC 17S 40AMP Hardware (ZP20S007)

Product Data Sheet (ZP20S007) Product Data Sheet (TP20S001)

The JBD ZP20S007 V1.2 is a compact and intelligent Battery Management System (BMS) built for 17S (17-series) lithium-ion (NMC 3.7V) battery packs. Designed to support up to 40A continuous current, this BMS ensures cell safety, long-term battery performance, and efficient balancing in high-voltage packs rated at 62.9V nominal and 71.4V fully charged.

Technical Specifications

Specification	Details
Battery Type	Li-ion / NMC (3.7V nominal per cell)
Series Support	17S (62.9V nominal / 71.4V max)
Continuous Current	40A (Charge/Discharge)
Port Configuration	Common Port (Charge and Discharge shared)
Balancing Type	Passive Balancing
Balancing Current	Approx. 60mA
Overcharge Cutoff	~4.25V/cell
Overdischarge Cutoff	~2.8V/cell
Quiescent Current	≤60μA
Internal Resistance	≤15mΩ
Operating Temp	-20°C to +75°C

Key Features

Complete Protection Suite

• •Overcharge Protection to prevent cell overvoltage
• •Overdischarge Protection for deep-cycle safety
• •Overcurrent and Short Circuit Shutdown
• •Temperature Monitoring and Thermal Cutoff
• •Pre-Charge/Soft Start Feature for safe startup

These safety systems are designed to ensure battery longevity and system protection even in demanding use cases.

Precision Passive Balancing

• •Actively balances voltage across all 17 cells
• •Prevents cell drift during charging cycles
• •Improves efficiency and battery pack health over time

Pre-Wired for Simplified Integration

• •Comes pre-attached with high-current discharge (black) and charge (blue) wires
• •Common port configuration minimizes wiring and simplifies setup
• •Compact aluminum housing provides durability and passive heat dissipation

Applications

This 17S 40A BMS is suitable for medium- to high-power lithium-ion systems such as:

• •Solar Energy Storage Systems (ESS)
• •Electric Bikes & Scooters
• •Battery Energy Storage Devices (BESD)
• •Inverter-Ready Battery Packs
• •Camping and Portable Backup Solutions
• •DIY 17S Li-ion Projects