12kW Off-Grid Solar System with 8.8kW Panels & 14.34kWh LiFePO4 Battery
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Description
Description
Power your home, cottage, cabin, farm, or remote property with the ROCKSOLAR 12kW Off-Grid Solar System. Featuring a Growatt SPE12000 US 12kW inverter, 8.8kW bifacial solar array, and GSL 14.34kWh LiFePO4 battery, this complete system delivers reliable 120/240V split-phase power for residential off-grid living.
Key Features
- 12kW Growatt SPE12000 US inverter
- 120/240V split-phase pure sine wave power
- Up to 36kW surge power
- 20 × JA Solar 440W bifacial solar panels
- 8.8kW total solar array
- 14.34kWh GSL LiFePO4 battery
- Dual MPPT solar inputs
- Supports up to 18kW PV input
- Generator charging support
- Ideal for homes, cottages, farms, cabins, and remote properties
14.34kWh GSL LiFePO4 Battery
The included GSL residential battery provides dependable, long-life energy storage for demanding off-grid applications.
- 51.2V / 280Ah
- 14.34kWh nominal capacity
- 90% recommended depth of discharge
- 8,500+ cycle life
- Integrated BMS
- CAN, RS485 & WiFi communication
- IP65-rated enclosure
- Expandable up to 16 batteries in parallel
- 15-year warranty
120/240V Split-Phase Power
The Growatt SPE12000 US supplies both 120V and 240V power, making it suitable for everyday household loads and compatible larger appliances, including refrigerators, lighting, electronics, well pumps, kitchen appliances, washing machines, power tools, and other 240V equipment.
Actual runtime depends on solar production, battery state of charge, and connected loads.
System Specifications
| Specification | Details |
|---|---|
| Inverter | Growatt SPE12000 US |
| Rated Output | 12,000W |
| AC Output | 120/240V Split Phase |
| Surge Power | Up to 36,000W |
| Solar Array | 8.8kW |
| Solar Panels | 20 × 440W Bifacial |
| Maximum PV Input | 18kW |
| Battery | GSL 14.34kWh LiFePO4 |
| Battery Voltage | 51.2V |
| Battery Capacity | 280Ah |
| Generator Charging | Supported |
What’s Included
- 1 × Growatt SPE12000 US 12kW Off-Grid Inverter
- 1 × GSL 51.2V 280Ah 14.34kWh LiFePO4 Battery
- 20 × 440W Bifacial Solar Panels
- 2 × 40 ft PV Cables
- 1 × 600V 20A 2-Pole DC Circuit Breaker
- 1 × Breaker Box
Warranty & Support
- GSL 14.34kWh Battery: 15-Year Warranty
- Growatt SPE12000 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 12kW split-phase inverter, 8.8kW bifacial solar array, and 14.34kWh LiFePO4 battery storage, this system provides a powerful foundation for reliable off-grid living. It is well suited for homes, cottages, cabins, farms, homesteads, and remote properties across the USA.
SPECIFICATIONS
SPECIFICATIONS
| 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% |
| Communication Port | CAN/RS485 |
| Performance Warranty | 10 years |
| Certification | CE, ROHS, UL1973+FCC, UN38.3 + IP65 |
| Growatt Off-Grid Storage SPE12000 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) | 0°C to 50°C |
| Warranty | 5-year standard warranty |
| ROCKSOLAR 440W Bifacial Rigid Solar Panel | Details |
|---|---|
| Panel Type | Bifacial Panels |
| 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
INCLUDES
Datasheet & User Manual
Datasheet & User Manual
Payment & Security
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