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6kW Off-Grid Solar Kit with 4.5kW Bifacial Solar Panels

Sale price $3,299.99 Regular price $6,999.99
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Easy set up with 48V Lithium or Lead Acid Batteries

All in one DIY off grid solar Kit with 110V/220V AC output

High Efficiency Bifacial Solar panels

Extra 5-10% power generation from the back side

About this product

What it is, and what it is for

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 × JA Solar JAM54D41 450W N-Type bifacial solar panels, this system delivers 4.5kW 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 × JA Solar JAM54D41 450W N-Type bifacial solar panels
  • 4.5kW 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.

4.5kW Bifacial Solar Array

The system includes 10 × JA Solar JAM54D41 450W N-Type 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 × JA Solar JAM54D41 450W 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.

What ships

2 components

Each one is a product we sell on its own, so you can read its full listing, and replace or add to it later.

Documentation

Published before you buy. No email required.

Full specification

Every number, by component.

The figures the manufacturer publishes. The datasheet above is the reference if the two ever differ.

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
JA Solar JAM54D41 LB 450W N-Type Double Glass Bifacial Solar Panel Details
Rated Power (as supplied) 450W
Brand JA Solar
Model JAM54D41 LB
Power Output Range 430W – 455W
Cell Technology N-Type Bycium+ Mono-Crystalline
Module Type Double Glass Bifacial Half-Cell (16BB)
Number of Cells 108 (6 × 18)
Maximum Module Efficiency Up to 22.5%
Bifaciality Ratio Approx. 80%
Power Tolerance 0 ~ +3%
Module Dimensions 1762 × 1134 × 30 mm
Module Weight 22 kg
Front Glass 1.6 mm Heat-Strengthened Glass
Rear Glass 1.6 mm Heat-Strengthened Glass
Frame Anodized Aluminum Alloy (Black, 30 mm)
Junction Box IP68 Rated with MC4-EVO2 Connectors
Maximum System Voltage 1500 V DC
Maximum Series Fuse 30 A
Operating Temperature −40°C to +85°C
Temperature Coefficient (Pmax) −0.29% / °C
Mechanical Load (Front) 5400 Pa
Mechanical Load (Rear) 2400 Pa
Product Warranty 12 Years
Performance Warranty 30-Year Linear Power Warranty (≤ 0.4% annual degradation)
Country of Origin China
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