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Growatt Ultra Off-Grid Power Solution– 14kW 120V/240V Split AC output

$18,999.99 $29,999.99
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  • Complete Off-Grid Kit: Includes 14kW inverter setup, 20kWh battery storage, and 14.08kW solar panels.
  • Powerful Output: 4x Growatt SPF3500T inverters run in parallel to deliver 14kW of output power.
  • High-Capacity Storage: 4x Growatt AXE 5.0L-C1 LiFePO4 batteries offering scalable 20kWh capacity.
  • High-Efficiency Panels: 32x 440W monocrystalline solar panels provide 14.08kW of clean energy.
  • Reliable Protection: Includes DC and AC breakers to ensure system safety and control.
  • Remote Monitoring: SHINE WiFi module allows real-time system tracking and diagnostics.
  • Long Lifespan: 25+ years panel service life, 10-year battery warranty, 2-year inverter coverage.
  • Safe Battery Technology: Cobalt-free LiFePO4 chemistry ensures thermal and cycle stability.
  • Modular Design: Stackable, cable-free battery setup for quick and flexible installation.
  • Rugged Durability: Weather-resistant panels with corrosion-proof frames and anti-reflective glass.
  • Versatile Use: Ideal for large homes, farms, cottages, and emergency backup power.
  • Environmentally Friendly: Reduce grid dependence and carbon footprint with sustainable energy.
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Description

Unleash total off-grid independence with the Growatt Ultra Off-Grid Power Station, an elite, high-capacity solar energy solution designed for homes, cabins, and facilities with significant power demands. Featuring four parallel Growatt SPF3500T inverters with 14kw split phase 120/240V AC output, a massive 20kWh Growatt AXE battery bank, and a 14.08kW solar panel array, this system is a reliable powerhouse for both continuous and backup energy needs.

Key Components & Features

1. Inverters – 4x Growatt SPF3500T (14kW total output)

  • Parallel Configuration: Four 3.5kW inverters combine to deliver a robust 14kW of total output power.
  • Dual Output Voltage: 110V/220V split phase capability supports residential and small commercial applications.
  • Off-Grid Efficiency: Operates independently from the grid, offering dependable power even in remote locations.
  • Advanced MPPT Controller: Optimized solar energy harvesting with integrated Maximum Power Point Tracking.
  • WiFi Monitoring: Remotely manage, monitor, and diagnose system health using the included Growatt SHINE Wi-Fi module.

2. Battery – Growatt AXE 5.0L-C1 LiFePO4 (x4 for 20kWh total)

  • Modular Design: Each unit delivers 5kWh of reliable storage; expandable and easy to install via stackable, cable-free connection.
  • Safe & Long-Lasting: Uses LiFePO4 chemistry – known for high safety, thermal stability, and longevity (6000+ cycles).
  • Integrated BMS: Built-in Battery Management System offers continuous protection against overcharging, temperature extremes, and other risks.
  • Remote Firmware Updates: Keep your system current via WiFi or GPRS.

3. Solar Panels – 32x 440W Monocrystalline Panels (14.08kW total)

  • High-Efficiency Output: Each panel produces 440W, delivering exceptional energy even in low-light conditions.
  • Durable Construction: Anodized aluminum frame with tempered glass resists harsh weather and corrosion.
  • Bypass Diodes: Minimize shading losses and enhance panel longevity.
  • Pre-Drilled for Mounting: Simplifies installation on rooftops or ground-mounted structures.
  • Over 30-Year Service Life: Long-term performance with a 12-year product warranty.

Protection & Connectivity

  • PV Cabling: Includes high-grade 6mm² solar DC cables for efficient and safe current transmission.
  • PV Protection: Equipped with 4x 20/300V DC breakers to safeguard the system from overcurrent and electrical faults.
  • Real-Time Monitoring: Stay in control through the SHINE Wi-Fi module, enabling full system transparency via mobile or web app.

Why Choose the Growatt Ultra 14kW Off-Grid System?

  • Massive Power Output: Handles large residential or small commercial power needs with ease.
  • Energy Resilience: Maintain operations during blackouts or grid instability.
  • Expandable & Modular: Adapt as your energy requirements grow.
  • Green Energy Leadership: Slash your carbon emissions while lowering utility costs.
  • Rock-Solid Warranties: Backed by long-term inverter, panel, and battery warranties.

What’s in the Box?

  • 4x Growatt SPF3500T Inverters
  • 4x Growatt AXE 5.0L-C1 Batteries (20kWh total)
  • 32x 440W Monocrystalline Panels
  • 4x 20A/300V PV DC Breakers
  • 1x DC Breaker Box
  • 1x SHINE Wi-Fi Monitoring Module
  • All Required PV Wiring (6mm² Cables)

Perfect for:

  • Large off-grid homes
  • Remote cottages or homesteads
  • Emergency backup power
  • Eco-conscious living

SPECIFICATIONS

Growatt AXE 5.0L-C1 5kW Battery Details
Model Growatt AXE 5.0L-C1
Energy Capacity 5.0kWh
Max Charge/Discharge Power 3kW
Max Charge/Discharge Current 60A
Dimensions 650 x 350 x 165mm (W x D x H)
Weight 42kg
Nominal Voltage 51.2V
Warranty 5 years
Battery Type Cobalt Free Lithium Iron Phosphate (LFP)
Operating Voltage Range 48 - 57.6V
Installation Floor installation
Operation Temperature 0°C-50°C/32-122°F
DoD 92%
Parallel Capability Multi-cluster AXE battery system in parallel, Max. 8 clusters (Max. 400kWh)
Communication Port CAN/RS485
Performance Warranty 10 years
Certification CE, ROHS, UL1973+FCC, UN38.3 + IP65
Growatt Off-Grid Storage Inverter SPF 3000~3500TL LVM-US Details
Battery Voltage 48VDC
Battery Type Lithium/Lead-acid
Inverter Output Rated Power: 3500VA 3500W
Parallel Capability: Yes, 6 units maximum
AC Voltage Regulation (Battery Mode): 100Vac/110Vac/120Vac @ 50/60Hz
Surge Power: 6000VA
Efficiency (Peak): 90%
Waveform: Pure Sine Wave
Transfer Time: 10ms typical, 20ms max
Solar Charger Maximum PV Array Power: 4000W
MPPT Range @ Operating Voltage: 120VDC – 225VDC
Maximum PV Array Open Circuit Voltage: 280VDC
Maximum Solar Charge Current: 80A
AC Charger Charge Current: 40A
AC Input Voltage: 120VAC
Selectable Voltage Range: 95-140VAC (For Personal Computers); 65-140VAC (For Home Appliances)
Frequency Range: 50Hz/60Hz (Auto sensing)
Physical Protection Degree: IP20/NEMA Type1
Dimension (W/H/D): 330/485/135mm
Net Weight: 12kg
Operating Environment Humidity: 5% to 95% Relative Humidity (Non-condensing)
Operating Temperature: 0°C - 50°C (32°F - 122°F)
Storage Temperature: -15°C - 60°C (-5°F - 140°F)
Warranty 2 Years
440W Rigid Bifacial Solar Panel Specification Details
Panel Type Bifacial Panel
Power Output 440W
System Voltage 32.8V
Cell Efficiency 20-23%
Frame Material Aluminum
Dimensions 1480mm x 670mm
Weight approx. 25-30 lbs
Operating Temperature -40°C to +85°C
Waterproof Rating IP65
Front Glass High light transmittance, low-iron tempered glass
Bypass Diodes Integrated
Connectors MC4
Cable Length Varies depending on the brand (approx. 3-6 ft)
Mounting Hole Locations Pre-drilled
Service Life 25 years or more
Warranty 10 years

INCLUDES

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14kw off grid home solar power system
ROCKSOLAR

Growatt Ultra Off-Grid Power Solution– 14kW 120V/240V Split AC output

From $16,999.99 $29,999.99

Unleash total off-grid independence with the Growatt Ultra Off-Grid Power Station, an elite, high-capacity solar energy solution designed for homes, cabins, and facilities with significant power demands. Featuring four parallel Growatt SPF3500T inverters with 14kw split phase 120/240V AC output, a massive 20kWh Growatt AXE battery bank, and a 14.08kW solar panel array, this system is a reliable powerhouse for both continuous and backup energy needs.

Key Components & Features

1. Inverters – 4x Growatt SPF3500T (14kW total output)

2. Battery – Growatt AXE 5.0L-C1 LiFePO4 (x4 for 20kWh total)

3. Solar Panels – 32x 440W Monocrystalline Panels (14.08kW total)

Protection & Connectivity

Why Choose the Growatt Ultra 14kW Off-Grid System?

What’s in the Box?

Perfect for:

size

  • Option 1: Growatt AXE 5.0L 20.0Kwh Battery
  • Option 2: GSL 20.0Kwh Battery
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