6kW Off-Grid Solar Kit with 4.4kW Bifacial Solar Panels
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6kW Off-Grid Solar Kit with 4.4kW Bifacial Solar Panels
solar industry experience
10,000+ American
customers
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Warranty
Easy set up with 48V Lithium or Lead Acid Batteries
High Efficiency Bifacial Solar panels
Description
Description
Power your home, cabin, workshop, or remote property with the ROCKSOLAR 6kW Off-Grid Solar Kit. Featuring a Growatt SPE6000US 120/240V split-phase inverter and 10 × 440W N-Type bifacial solar panels, this system delivers 4.4kW of solar capacity with flexible battery and generator integration.
Designed for reliable off-grid power in the USA, the system supports 48V lithium or lead-acid batteries, dual MPPT solar charging, generator input, smart load control, and system expansion.
Key Features
- 6kW Growatt SPE6000US off-grid inverter
- 120/240V split-phase pure sine wave output
- 10 × 440W N-Type bifacial solar panels
- 4.4kW total PV capacity
- 2 × 40 ft 10 AWG PV cable sets
- Dual MPPT solar tracking
- 48V lithium and lead-acid battery compatible
- Generator charging support
- Smart load connection
- Wi-Fi monitoring capability
- Supports up to 9 inverters in parallel
- Bifacial panels can capture additional energy from rear-side reflected light
Growatt SPE6000US Off-Grid Inverter
The Growatt SPE6000US delivers 6,000W continuous output with 120/240V split-phase power for residential applications. Its dual MPPT design helps maximize solar production, while generator charging and smart load support provide additional flexibility for off-grid living.
4.4kW Bifacial Solar Array
The system includes 10 × 440W Hanersun N-Type TOPCon bifacial solar panels, providing 4,400W of total rated PV capacity. The panels offer up to 22.5% module efficiency, IP68 junction boxes, and durable dual-glass construction.
What's Included
- 1 × Growatt SPE6000US 6kW Off-Grid Inverter
- 10 × 440W N-Type Bifacial Solar Panels
- 2 × 40 ft 10 AWG PV Cable Sets
- System documentation
Solar Array: 4,400W
Inverter Output: 6,000W
AC Output: 120/240V Split Phase
Battery System: 48V lithium or lead-acid compatible
Battery storage, mounting hardware, breakers, disconnects, and other site-specific installation materials may be required separately.
Ideal for off-grid homes, cabins, farms, workshops, and remote properties looking for dependable solar power with flexible battery and generator backup options.
SPECIFICATIONS
SPECIFICATIONS
| SPE 6000 Hybrid Inverter Specifications | Details |
|---|---|
| Model | SPE 6000 |
| Rated Output Power | 6000 W |
| Peak Output Power | 12,000 W |
| Output Voltage | 120 / 240 VAC Split Phase |
| Output Frequency | 50 Hz / 60 Hz |
| Output Waveform | Pure Sine Wave |
| Battery Voltage | 48 V DC |
| Battery Type | Lithium / Lead-Acid |
| Maximum PV Input Power | 8000 W |
| Maximum PV Open Circuit Voltage | 500 V DC |
| MPPT Voltage Range | 120 – 450 V DC |
| Number of MPPT Trackers | 2 |
| Maximum PV Charging Current | 120 A |
| AC Input Voltage Range | 90 – 280 VAC |
| Maximum Efficiency | 98% |
| Transfer Time | 10 ms |
| Communication | USB / RS485 / WiFi (Optional) |
| Operating Temperature | -10°C to +50°C |
| Protection Rating | IP21 |
| Cooling | Intelligent Fan Cooling |
| Display | LCD Display with Monitoring |
| Dimensions | Approx. 620 × 430 × 210 mm |
| Weight | Approx. 38 kg |
| 440W Solar Panel Specifications | Details |
|---|---|
| Manufacturer | Hanersun |
| Model | HN18N-54HT |
| Maximum Power (Pmax) | 440 W |
| Module Efficiency | 22.5% |
| Solar Cell Type | N-Type Monocrystalline (TOPCon) |
| Number of Cells | 108 Cells [2 × (9 × 6)] |
| Maximum Power Voltage (Vmp) | 32.70 V |
| Maximum Power Current (Imp) | 13.46 A |
| Open Circuit Voltage (Voc) | 38.70 V |
| Short Circuit Current (Isc) | 14.26 A |
| Power Tolerance | 0 ~ +3% |
| Module Dimensions | 1722 × 1134 × 30 mm |
| Weight | 23.3 kg |
| Glass | 2 mm + 2 mm Tempered Glass |
| Frame | Anodized Aluminium Alloy (Full Black) |
| Junction Box | IP68 Rated |
| Connector | Z4S-abcd / MC4-EVO 2A Compatible |
| Cable Size | 4.0 mm² |
| Cable Length | 300 / 300 mm (customizable) |
| Operating Temperature | -40°C to +70°C |
| Maximum System Voltage | 1500 V DC |
| Maximum Series Fuse | 30 A |
| Bifaciality | 80 ± 5% |
| Temperature Coefficient (Pmax) | -0.28 % / °C |
| Temperature Coefficient (Voc) | -0.23 % / °C |
| Temperature Coefficient (Isc) | +0.045 % / °C |
| Mechanical Load | 5400 Pa (Front) / 2400 Pa (Rear) |
| Fire Rating | Class C |
| Modules per Pallet | 37 |
| Modules per 40’ Container | 962 |
| Warranty | 30 Year Product Warranty / 30 Year Linear Power Warranty |
Datasheet & User Manual
Datasheet & User Manual
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