NEXUS LiFePO₄ modules (15kWh each) pair with the EG4 6000XP delivering 6,000W split-phase per inverter and up to 8,000W PV input, perfect for grid-tied or off-grid backup; systems scale from 15kWh to 225kWh and up to 18kW output. Featuring dual MPPTs, built-in breakers, a 15–30ms UPS transfer switch, and remote monitoring, they ensure seamless and efficient performance. Lightweight and transformer-free, they support smart load control, AC coupling, and peak shaving to reduce energy costs while providing reliable backup power.
INCLUSIONS:
Nexus + EG4 6000XP (15kWh - 6kW Power)
- 1 x NEXUS 15kWh Battery (F-NXUS-48150-G1)
- 1 x EG4 6000XP Off-Grid Inverter (INV026)
2 Nexus + EG4 6000XP (30.0kWh – 6kW Power)
- 2 x NEXUS 15kWh Battery (F-NXUS-48150-G1)
- 1 x EG4 6000XP Off-Grid Inverter (INV026)
- Parallel BusBar (CNT015)
- 2AWG Black & Red Cable 3ft (CBL086)
3 Nexus + EG4 6000XP (45kWh - 6kW Power)
- 3 x NEXUS 15kWh Battery (F-NXUS-48150-G1)
- 1 x EG4 6000XP Off-Grid Inverter (INV026)
- Parallel BusBar (CNT015)
-
2AWG Black & Red Cable 3ft (CBL086)
2 Nexus + 2 EG4 6000XP (30kWh - 12kW Power)
- 2 x NEXUS 15kWh Battery (F-NXUS-48150-G1)
- 2 x EG4 6000XP Off-Grid Inverter (INV026)
- Parallel BusBar (CNT015)
- 2 x 2AWG Black & Red Cable 3ft (CBL086)
3 Nexus + 3 EG4 6000XP (45kWh - 18kW Power)
- 3 x NEXUS 15kWh Battery (F-NXUS-48150-G1)
- 3 x EG4 6000XP Off-Grid Inverter (INV026)
- Parallel BusBar (CNT015)
- 3 x 2AWG Black & Red Cable 3ft (CBL086)
INTRODUCING THE NEXUS
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, 100A continuous discharge, and peak support up to 110A, 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.
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The NEXUS is compatible and parallel-able with all existing KONG and GRIZ products purchased between 2019-2024.
SPECIFICATIONS:
| User Manual |
Click Here |
| Spec Sheet |
Click Here |
| Battery Specifications |
NEXUS 15KWh |
| SKU |
F-NXUS-48143-G1 |
| System Voltage |
48V |
| Nominal Voltage |
51.2V |
| Chemistry |
LiFePO4 |
| Usable Energy (kWh) |
15kWh |
| Ah Capacity |
300Ah |
| Cell Configuration |
16S1P |
| Max Continuous Discharge |
100A |
| Max Discharge Power |
7.6kW |
| Max Discharge Peak |
110A |
| Max Charge Current |
100A |
| Charging Voltage Range |
53.5V-57.6V |
| Operating Voltage Range |
48V-57.6V |
| Max Charge Voltage |
57.9V |
| Suggested Low Voltage Cutoff |
50.8V |
| Charge Temp Range |
0°C to 45°C |
| Discharge Temp Range |
-20°C to 45°C |
| Optimal Discharge Temp |
+15°C to +35°C |
| Storage Temp Range (SoC >50%) |
-20°C~25°C |
| Humidity Range |
10%-95% (No Condensation) |
| Weight (kg) |
~142.8 kg ±5 |
| Dimensions (WxHxD) |
19.7 x 27.5 x 15.7 in (500×700×400 mm) |
| Altitude Limit |
<2000m |
| Max Connections |
15 in parallel (up to 225kWh) |
| Communications |
RS485 / RJ45 / CAN |
| Protection Rating |
IP21 |
| Certifications |
UN38.3 |
| Installation |
Indoor Floor-standing |
| User Manual |
Click Here |
Inverter Specs – EG4 6000XP
AC INPUT & OUTPUT
| AC Voltage: |
120V AC / 240V AC |
| AC Frequency: |
50 Hz / 60 Hz |
| Max. Continuous AC Current: |
37.5A @ 240V |
| Max. AC Input Power: |
9000W |
| AC Bypass: |
50A |
| Output Voltage: |
120V AC / 240V AC |
| Output Frequency: |
50 Hz / 60 Hz |
| Max. Continuous Output Current: |
25A @ 240V |
| Output Power: |
6000W |
| Surge Capacity: |
12000W (3.5 sec) / 11000W (5 sec) |
| Power Factor: |
0.99 (Full Load) |
| Reactive Power Adjustment Range: |
-0.8 – 0.8 Leading Adjustable |
| Total Harmonic Distortion: |
<3% |
| Switching Time: |
<15 ms (Single) / <30 ms (Parallel) |
PV INPUT
| No. of MPPTs (Inputs per MPPT): |
2 (1) |
| Max. Input Current: |
17A / 17A |
| Max. Short Circuit Input Current: |
25A / 25A |
| DC Input Voltage Range: |
100 – 480V DC |
| Start Up Voltage: |
100V DC ± 10V DC |
| MPPT Operating Voltage Range: |
120 – 385V DC |
| MPPT Voltage: |
320V DC |
| Max. PV Array Power: |
8000W (4000W per MPPT) |
| MPPT Efficiency: |
99% |
OPERATING ENVIRONMENT & DIMENSIONS
| Operating Temperature: |
32ºF – 113ºF (0ºC – 45ºC) |
| Storage Temperature: |
5ºF – 140ºF (-15ºC – 60ºC) |
| Altitude: |
<6,561 ft (2000 m) |
| Relative Humidity: |
5 – 95% |
| Typical Noise Emission: |
<58 dB |
| Protection Rating: |
IP20 |
| Max. Parallel Connections: |
16 |
| Weight: |
52.9 lbs (24 kg) |
| Depth: |
5.25 in (132 mm) |
| Width: |
18 in (457 mm) |
| Height: |
25.5 in (648 mm) |
