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24kW Off-Grid Solar System with 15.84kW Panels & 57.36kWh Battery

Sale price $21,999.99 Regular price $39,999.99
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Description

Power large homes, farms, estates, workshops, and remote properties with the ROCKSOLAR 24kW Off-Grid Solar System. Featuring 2 × Growatt SPE12000 US 12kW inverters, a 15.84kW solar array, and 57.36kWh of GSL LiFePO4 battery storage, this high-capacity system delivers reliable 120/240V split-phase power for demanding off-grid applications.

Key Features

  • 24kW total inverter output
  • 2 × Growatt SPE12000 US 12kW inverters
  • 120/240V split-phase pure sine wave power
  • 36 × 440W solar panels
  • 15.84kW total solar array
  • 4 × 14.34kWh GSL LiFePO4 batteries
  • 57.36kWh total battery storage
  • Integrated MPPT solar charging
  • Generator charging support
  • SHINE WiFi system monitoring
  • Expandable off-grid design

57.36kWh GSL LiFePO4 Battery Storage

Four GSL 51.2V 280Ah LiFePO4 batteries provide substantial energy storage for larger off-grid properties.

  • 14.34kWh per battery
  • 57.36kWh total nominal storage
  • 51.2V / 280Ah
  • 90% recommended depth of discharge
  • 8,500+ cycle life
  • Integrated BMS
  • CAN, RS485 & WiFi communication
  • IP65-rated enclosure
  • Expandable battery architecture
  • 15-year warranty

120/240V High-Capacity Off-Grid Power

Two parallel Growatt SPE12000 US inverters provide 24kW total AC output, supporting both 120V and 240V loads. This makes the system suitable for larger homes, appliances, well pumps, workshops, farm equipment, and other compatible high-demand loads.

Actual runtime depends on solar production, battery state of charge, and connected loads.

System Specifications

Specification Details
Inverters 2 × Growatt SPE12000 US
Total Output 24kW
AC Output 120/240V Split Phase
Solar Array 15.84kW
Solar Panels 36 × 440W
Battery Storage 57.36kWh
Battery Configuration 4 × GSL 14.34kWh
Battery Chemistry LiFePO4
Generator Charging Supported
Monitoring SHINE WiFi

What’s Included

  • 2 × Growatt SPE12000 US 12kW Off-Grid Inverters
  • 4 × GSL 51.2V 280Ah 14.34kWh LiFePO4 Batteries
  • 36 × 440W Solar Panels
  • 6 × 20A / 300V PV DC Breakers
  • 1 × Breaker Box
  • 6 × 40 ft 10 AWG PV Cables
  • 2 × SHINE WiFi Monitoring Module

The live product page confirms this component configuration.

Warranty & Support

  • GSL 14.34kWh Batteries: 15-Year Warranty
  • Growatt SPE12000 US Inverters: 5-Year Standard Warranty
  • 440W Solar Panels: 25-Year Warranty
  • Solar Panel Service Life: 30+ Years
  • Lifetime ROCKSOLAR Technical Support

Powerful Off-Grid Energy for Large Properties

With 24kW of inverter power, 15.84kW of solar generation, and 57.36kWh of LiFePO4 battery storage, this complete system is ideal for large off-grid homes, farms, estates, workshops, homesteads, and remote facilities across the USA.

SPECIFICATIONS

Growatt ALP LV-US 5kWh 48V LiFePO4 Battery Details
Model Growatt ALP LV-US 5kWh 48V LiFePO4 Battery
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 ALP 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 SPE 12000-US Details
Battery Voltage 46 – 60 VDC (Lithium)
Battery Type Lithium/Lead-acid
Inverter Output (Rated Power) 12KW
Surge Rating 36KW
Waveform Pure sine wave/ same as input (bypass mode)
Nominal Output Voltage RMS 120/240Vac (195-255Vac)(optional)
Output Frequency 60Hz (58.3~61.7Hz)
Inverter Efficiency (Peak) 96.50%
Transfer Time ≤20ms Single /≤30ms Parallel
Solar Charger (Maximum PV Charge Current) 27A(Per MPPT)
Maximum PV Array Power 18000W(9000W per MPPT)
AC Input Voltage 120/240Vac
Max. Charging Current 70A
Protection Degree IP20
Dimensions (W/H/D) 550/465/150 mm
Weight 21.5kg
Operating Environment (Temperature Range) -10°C ~ 50°C
Warranty 5-year standard warranty
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

Datasheet & User Manual

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