Eco Solar Kits · Sungold Power · SGM-8K20
Sungold Power Off-Grid 8000W Solar Kit 48VDC 120V/240V Solar Inverter 12 x 415W Solar Panels 4 x 5.12kWh Lithium Battery SGM‑8K20
A complete off-grid solar system — 8,000W dual-MPPT inverter, 20.48kWh of LiFePO₄ battery storage, and twelve 415W monocrystalline panels — for washers, refrigerators, and water pumps.
Overview
Welcome to the perfect destination for building your very own DIY solar system with safety and reliability in mind. Our solar kit offers everything you need to get started:
- •8kW Solar Inverter
- •12 x 415W Solar Panels
- •4 x 5.12kWh Batteries
- •Other Essential Accessories
This comprehensive kit is adept at powering essential appliances like washers, refrigerators, water pumps, and more. Ideal for off-grid homes, solar systems, or emergency backup setups, our solar kit provides versatile usage options.
What sets our system apart is its flexibility. You have the freedom to extend your system in the future, adapting to your evolving needs seamlessly. If you have a small off-grid home or remote cabin, consider the Sungold Power Off‑Grid 6,000W 24VDC Solar Kit (SGK‑PRO62) for a compact, reliable solution with sustainable power and storage.
Take charge of your energy independence with our reliable and adaptable solar kit today!
What is Included with the SGM-8K20 Solar Kit
- •1 x 8000 Watt 48V DC 120V/240V AC Output
- •12 x 415 Watt Monocrystalline Solar Panels
- •4 x 100AH 51.2V Lifepo4 Battery
- •2 Sets x 50 Feet, Solar Extension Cables-Inverter PV input
- •12 x Sets of Mounting Z-Brackets
- •1 x 200A DC Breaker
- •2 x 25A PV Breaker
Technical Highlights
8,000W, 16,000W Peak
Rated output with double the power available briefly, supporting motors up to 5HP.
Split-Phase 120V/240V
Runs standard household circuits and larger 240V appliances from the same system.
Dual Built-In MPPT
Two solar charge trackers built directly into the inverter, supporting up to 11,000W of combined solar input at 99.9% tracking efficiency.
200A Max. Charging Current
Fast solar charging, with up to 100A from mains/generator and 180A max hybrid charging combined.
Easily Expandable
Add more batteries and solar panels in the future as your energy needs grow.
92% Max. Inverter Efficiency
Minimal energy loss whether running on battery, solar, or passthrough grid power.
IP68 Waterproof Panels
Junction box rated for full submersion protection, backed by a 25-year linear product warranty.
21.25% Panel Efficiency
182mm Grade-A monocrystalline cells for a higher conversion rate per panel.
Full Specifications
SPH8K48SP Inverter/Charger (×1)
Output
| Rated output power | 8,000 W |
| Max. peak power | 16,000 W |
| Rated output voltage | 120/240Vac split-phase |
| Load capacity of motors | 5 HP |
| Waveform | Pure sine wave |
| Switch time | 10ms (typical) |
Battery
| Compatible types | Li-ion / Lead-acid / User-defined |
| Rated battery voltage | 48 Vdc |
| Voltage range | 40–60 Vdc |
| Max. MPPT charging current | 200 A |
| Max. mains/generator charging | 100 A |
| Max. hybrid charging | 180 A |
PV Input (Built-In Dual MPPT)
| No. of MPPT trackers | 2 |
| Max. PV array power | 11,000 W |
| Max. input current | 22A / 22A |
| Max. open circuit voltage | 500 Vdc |
| MPPT voltage range | 125–425 Vdc |
| MPPT tracking efficiency | 99.9% |
Efficiency & Physical
| Max. battery inverter efficiency | 92% |
| Weight | 59 lbs (24.5 kg) |
| Dimensions | 620 × 445 × 130 mm |
| Protection rating | IP20, indoor only |
| Operating temp | -10°C to 55°C (>45°C derated) |
| Noise | <60 dB |
Certification, Communication & Warranty
| Safety | IEC62109-1, IEC62109-2, UL1741 |
| EMC | EN61000-6-1, EN61000-6-3, FCC15 Class B |
| Communication | RS485 / CAN / USB / Dry contact; WiFi/GPRS optional |
| Warranty | 1 year |
100AH 51.2V Battery (×4)
Capacity
| Rated capacity | 100 Ah |
| Nominal voltage | 51.2 V |
| Energy per unit | 5,120 Wh |
| Combined (4 units) | 20,480 Wh (20.48 kWh) |
Charge & Discharge
| Standard current | 50 A |
| Max. continuous current | 100 A |
| Cycle life | ≥7,000 @ 80% DOD |
| Design life | 15 years |
Physical
| Weight (each) | ~95 lbs (43 kg) |
| Dimensions | 16.5 × 22.8 × 5.5 in |
| Protection rating | IP20 (battery box) |
Environmental & Scaling
| Charging temp | 32–113°F |
| Discharging temp | -4–140°F |
| Max parallel | 63 batteries |
| Communication | RS232 / RS485 / CAN |
SG-415WM Monocrystalline Panel (×12)
Electrical
| Max. power | 415 W |
| Max-power voltage | 31.61 V |
| Max-power current | 13.13 A |
| Open-circuit voltage | 38.82 V |
| Module efficiency | 21.25% |
Build & Warranty
| Cell type | Mono 182×91mm (108 cells) |
| Weight (each) | 45.1 lbs (20.45 kg) |
| Dimensions | 67.9 × 44.7 × 1.4 in |
| Junction box | IP68 |
| Warranty | 25yr linear product + 10yr workmanship |
What It Can Power
Adept at powering essential appliances like washers, refrigerators, water pumps, and more — ideal for off-grid homes, solar systems, or emergency backup setups, per the manufacturer’s own description.
Additional Documentation
Common Questions
Does this inverter have a built-in solar charge controller?
Yes — two MPPT trackers are built directly into the inverter, supporting up to 11,000W of solar input at 99.9% tracking efficiency.
What’s the actual usable battery capacity?
20.48kWh combined from four 5,120Wh LiFePO₄ batteries, each rated for at least 7,000 cycles to 80% depth of discharge.
Is there a more compact option for a smaller cabin?
Yes — the manufacturer also offers a smaller 6,000W 24VDC kit for small off-grid homes or remote cabins.
Can I add more solar panels later?
Yes — this system is easily expandable, letting you add more batteries and solar panels as your energy needs grow, per the manufacturer’s own product description.
Do I need a licensed electrician to install this?
Given the scale of this system — an 8,000W inverter and a 20.48kWh battery bank — installation should be handled by a qualified, licensed electrician familiar with your local code.
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