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- Regular price
- $2,980.00
- ✓Authorized Online Dealer
- ✓Free Shipping · No Sales Tax (excluding MI)
- ✓Lowest Price Guarantee
- ✓Ships in 1–2 business days · 4–7 day transit
- ✓Questions? Call us at (734) 228-0441
Product Description
Nexus is the most affordable 15kWh LiFePO₄ off-grid powerhouses with a portable, compact build, and scalability to 225kWh for unstoppable outdoor home or cabin backup power.
Key Features
- Performance: Uninterrupted, long-lasting power for any off-grid application.
- Chemistry: Advanced LiFePO4 for safety and longevity.
- Design: Rugged, floor-standing design for easy installation in tech closets, garages, cabins, or sheds.
- Protection: Integrated BMS with quadruple safety redundancies.
- Scalability: High-capacity, expandable storage solution up to 225kWh.
- Applications: Off-grid solar, commercial backup, and home EPS.
Whats included:
51.2V 300AH-15KWH Energy storage box, with fire extinguisher (aerosol) & heater
Sleek & Compact Design
Our stackable, compact design comes with all the hardware you need for a straightforward setup, letting you get your off-grid system up and running efficiently in less time. Engineered for reliability in any off-grid environment, it delivers consistent power when you need it most.
Off-Grid Energy Reliability
With 300Ah of capacity, 140A max continuous discharge, and peak support up to 270A, NEXUS handles high-demand loads with ease. NEXUS’s smart thermal management enables charging from 32 °F to 113 °F and discharging down to -4 °F, making it a true all-weather energy solution.
Modular ESS That Grows With You
NEXUS supports parallel expansion up to 15 units, offering 225kWh total capacity per inverter. With RS485, CAN, and RJ45 communication ports, it’s ready to integrate seamlessly into new or existing inverter systems—ensuring full system transparency, automation, and control.
Legacy Product Parallel Compatibility
The NEXUS is compatible and parallel-able with all existing KONG and GRIZ products purchased between 2019-2024.
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Let customers speak for us
Works great the auto deploy option is life changing
Our 6x8 shelter is huge. More than enough space for our extended family.
The 4x8 shelter is spacious and feels very safe. Glad we made the investment.
Bought the 8-person model — heavy duty and exactly what we needed for our family.
We went with the 5-person shelter. The steel feels rock solid and gives real peace of mind.
Quiet and powerful, performs well in saltwater.
I bought the blue version for my son — fast shipping and solid build. He rides it every weekend.
The build quality is top-notch.
Customer service helped me decide between the green and red. Ended up with green and love it.
Works fine, but the setup guide could be more detailed.
Took it out this weekend, no issues at all.
Ordered the MotoTec Pro 60v Blue. Arrived on time and packaged well.
Smooth performance and quick delivery.
I chose the blue bike. Works great, though the shipping box had a small dent — no damage to the bike.