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BMS Kit for 48V system includes fuses, contactor, precharge, terminals, etc.

Regular price $1,879.00 USD
Regular price $1,999.00 USD Sale price $1,879.00 USD

Build your own DIY Powerwall safely with a UL recognized BMS!

Note: This is a kit that you assemble yourself, all the major components are included, but some sense wires, terminal connections, and hardware are not included. 


  • One large BMS to manage up to 15kW of power
    • 300A, 200A, and 150A variants
  • Designed for 12V, 24V, and 48V applications. Compatible with Lithium Iron Phosphate (LFP)Li-Ion NMC, or Lead Acid 2V cells.
  • BMS is UL certified to 991/1998
  • BMS comes with browser-based dashboard for battery details. Learn more about Nuvation Energy’s BMS!

Components included in the kit:

  • Nuvation Low-Voltage BMS 16 channel (NUV300-BC-16-KIT), UL991/1998 certified
  • 2x Contactor, +400A/-200A, UL1604
    • Optional to remove one contactor if you use the GPO on the inverter
  • Current Shunt 0.5% accurate
  • Fuse, Class T 110A ~ 400A (depending on variation)
    • 20kA interrupt capacity for all versions
  • Precharge circuit: (Optional to remove if your inverter has a built in pre-charge)
    • Pre charge contactors, rated up to 1200VDC
    • Resistor 10 OHM 1% 50W (other options available upon request)
  • 2x Thermistors for temperature sensing
  • 5/16” studs at the terminal for battery, charger, inverter connections.

Sold Separately:

  • High current wiring between contactors, shunt, and distribution block
  • Copper Busbars for cell terminals
  • All wiring/connections between stack switch gear and battery
  • Weather proof enclosures

Lead Time:

Not all components are stocked so please allow ~2 weeks for delivery.

Technical Resources:

Nissan LEAF Assembly Instructions

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