Description
BMS NMC 17S 40A – JLGW Two-Port (06f7)
The BMS NMC 17S 40A JLGW TWO PORT (06f7) is a high-performance Battery Management System designed for 17S (62.9V nominal) NMC lithium-ion battery packs. Featuring a durable two-port design (separate charge & discharge terminals) and a robust 40A continuous discharge capacity, this BMS is ideal for demanding high-voltage battery applications such as e-scooters, e-motorcycles, industrial equipment, power storage units, and custom EV battery systems
BMS NMC 17S 40A JLGW TWO PORT
Built by JLGW, this BMS ensures stable protection, high durability, dependable current handling, and safe operation even under intensive load conditions.
Key Features
Supports 17S (62.9V nominal) NMC lithium-ion battery packs
40A continuous discharge current
Two-Port Design: separate charging & discharging connections
Heavy-duty JLGW MOSFET and PCB engineering
Complete multi-layer protection:
Overcharge protection
Over-discharge protection
Overcurrent protection
Short-circuit protection
Temperature protection
Reliable performance suited for EV and industrial-grade packs
Excellent thermal stability and long service life
Applications
Suitable for high-voltage and high-power 17S lithium-ion battery packs, including:
Electric motorcycles
High-power e-bikes & e-scooters
Solar energy storage systems
Portable power stations
Industrial automation equipment
Robotics & heavy-load machines
Backup battery systems
High-capacity DIY battery packs
Installation Tips
Connect all 17 balance wires exactly as per the wiring diagram.
Use a 71.4V lithium-ion charger for proper charging.
Ensure strong cable gauge (at least 10 AWG) for high current.
Avoid blocking ventilation to maintain safe temperature.
Do not exceed 40A continuous discharge for optimal lifespan.





