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6kW Off-Grid Solar System with 4.4kW Panels & 14.34kWh LiFePO4 Battery

Sale price $7,999.99 Regular price $9,999.99
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Description

Power your home, cottage, cabin, farm, or remote property with the ROCKSOLAR 6kW Off-Grid Solar System. Featuring a Growatt SPE6000 US 6kW inverter, 4.4kW bifacial solar array, and 14.34kWh GSL LiFePO4 battery, this complete system delivers reliable 120/240V split-phase power for residential off-grid applications.

Key Features

  • 6kW Growatt SPE6000 US inverter
  • 120/240V split-phase pure sine wave output
  • Support charge from diesel generator
  • Support smart load connection
  • 10 × 440W bifacial solar panels
  • 4.4kW total solar array
  • 1 × GSL 14.34kWh LiFePO4 battery
  • Dual MPPT solar charging
  • Supports up to 9kW PV input
  • Generator charging support
  • Ideal for homes, cottages, cabins, farms, and remote properties

14.34kWh GSL LiFePO4 Battery

The included GSL 51.2V 280Ah battery provides high-capacity, long-life energy storage in a compact residential design.

  • 14.34kWh nominal energy
  • 51.2V / 280Ah
  • 90% recommended depth of discharge
  • 11.47kWh recommended discharge energy at 80% DoD
  • 8,500+ cycle life
  • Integrated BMS
  • CAN, RS485 & WiFi communication
  • IP65-rated enclosure
  • Expandable up to 16 batteries in parallel
  • 15-year warranty

The battery also carries UL1973, UL9540A, UL9540, IEC62619 and other listed certifications in the manufacturer datasheet.

120/240V Split-Phase Power

The Growatt SPE6000 US provides both 120V and 240V output, making the system suitable for refrigerators, lighting, electronics, water pumps, kitchen appliances, power tools, and compatible 240V equipment.

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

System Specifications

Specification Details
Inverter Growatt SPE6000 US
Rated Output 6kW
AC Output 120/240V Split Phase
Smart load connection Yes
Solar Array 4.4kW
Solar Panels 10 × 440W Bifacial
Maximum PV Input 9kW
Battery GSL 14.34kWh LiFePO4
Battery Voltage 51.2V
Battery Capacity 280Ah
Generator Charging Supported

What's Included

  • 1 × Growatt SPE6000 US 6kW Off-Grid Inverter
  • 10 × 440W Bifacial Solar Panels
  • 1 × GSL 51.2V 280Ah 14.34kWh LiFePO4 Battery
  • 2 x 300V 20A DC Circuit Breaker
  • 1 x Breaker box
  • 2 x 40ft 10AWG PV cable
  • WiFi module

Warranty & Support

  • GSL 14.34kWh LiFePO4 Battery: 15-Year Warranty
  • Growatt SPE6000 US Inverter: 5-Year Standard Warranty
  • 440W Solar Panels: 25-Year Warranty
  • Solar Panel Service Life: 30+ Years
  • Lifetime ROCKSOLAR Technical Support

Reliable Off-Grid Power for Homes & Cottages

With a 6kW split-phase inverter, 4.4kW bifacial solar array, and 14.34kWh LiFePO4 battery, this system provides a dependable solution for off-grid homes, cottages, cabins, farms, and remote properties across the USA.

SPECIFICATIONS

Growatt ALP 5.0L-C1 5kW Battery Details
Model Growatt ALP 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 10 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 Off-Grid Storage SPE6000-US Details
Battery Voltage 46 – 60 VDC (Lithium)
Battery Type Lithium/Lead-acid
Inverter Output (Rated Power) 6KW
Surge Rating 18KW
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 Per MPPT) 27A
Maximum PV Array Power 9000W(4500W 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) -25°C to 50°C
Warranty 5-year standard warranty
ROCKSOLAR 440W 12V Bifacial Rigid Solar Panel 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 IP68
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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