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Eco Solar Kits · Sungold Power · SGK-8MAX
A complete off-grid solar system — 8,000W dual-MPPT split-phase inverter, 10.24kWh of Bluetooth-enabled LiFePO₄ battery storage, and twelve 450W monocrystalline panels.
Explore our full selection of Sungold Power Kits to compare different configurations and find the best fit for your energy needs.
Rated output with double the power available briefly, supporting motors up to 5HP.
Runs standard household circuits and larger 240V appliances from the same system.
Two solar charge trackers built directly into the inverter, supporting up to 11,000W of combined solar input at 99.9% tracking efficiency.
Certified by ETL to UL1741, alongside IEC62109-1/2 safety standards.
Parallel up to 6 identical inverters as a system's power needs grow.
Each 12V battery pairs with a mobile app for live voltage, SOC, and cell-level data.
Batteries self-heat below 33.8°F to protect charging performance in cold conditions.
182mm Grade-A monocrystalline cells backed by a tiered 25-year output warranty and 12-year material and workmanship coverage.
SPH8048P Inverter/Charger (×1)
| 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) |
| Compatible types | Li-ion / Lead-acid / User-defined |
| Rated battery voltage | 48 Vdc |
| Voltage range | 40–60 Vdc |
| Max. PV charging current | 180 A |
| Max. grid/generator charging | 100 A |
| Max. hybrid charging | 180 A |
| No. of MPPT trackers | 2 |
| Max. input 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% |
| Max. battery efficiency | 92% |
| Weight | 59.5 lbs (27 kg) |
| Dimensions | 620 × 445 × 130 mm |
| Protection rating | IP20, indoor only |
| Operating temp | -10°C to 55°C (>45°C derated) |
| Noise | <60 dB |
| Safety | IEC62109-1, IEC62109-2, UL1741 (ETL) |
| EMC | EN61000-6-1, EN61000-6-3, FCC15 Class B |
| Communication | RS485 / CAN / USB / Dry contact; WiFi/GPRS optional |
| Max parallel | 6 units |
200AH 12V LiFePO₄ Battery with Bluetooth (×4)
| Rated capacity | 200 Ah |
| Nominal voltage | 12 V |
| Combined (4 units) | 10.24 kWh |
| Charging voltage | 14.4–14.6 V |
| Discharge cut-off voltage | ≥10.8 V |
| Max. series connection | 4 units (58.4V max) |
| Monitoring | Bluetooth app (iOS/Android) |
| Display | LCD (voltage, SOC, per-cell) |
| Heating function | On below 33.8°F, off above 42.8°F |
| Protection rating | IP65 |
| Charging temp | -4–113°F |
| Discharging temp | -4–131°F |
SG-450WM Monocrystalline Panel (×12)
| Max. power | 450 W |
| Max-power voltage | 34.2 V |
| Max-power current | 13.16 A |
| Open-circuit voltage | 41.72 V |
| Module efficiency | 20.79% |
| Cell type | Mono 182×91mm (120 cells) |
| Weight (each) | 54.0 lbs (24.5 kg) |
| Dimensions | 75.16 × 44.65 × 1.38 in |
| Junction box | IP68 |
| Certification | UL61730, CEC Listed |
| 5-year output | ≥95% |
| 10-year output | ≥90% |
| 25-year output | ≥80% |
| Material & workmanship | 12 years |
A complete, self-contained 8,000W system with split-phase output, sized for off-grid homes, cabins, and backup power applications.
Yes — two MPPT trackers are built directly into the inverter, supporting up to 11,000W of combined solar input.
10.24kWh combined from four 12V 200Ah LiFePO₄ batteries, each with its own Bluetooth app for live voltage, SOC, and cell-level monitoring.
Up to four 12V batteries can be connected in series (staying under the 58.4V maximum) to reach the system's 48V nominal input.
Yes — the inverter supports up to 11,000W of solar input in total, above the 5,400W (12×450W) included in this kit.
Given the voltages, currents, and battery wiring involved, installation should be handled by a qualified, licensed electrician familiar with your local code.
Upon completing your order, you will promptly receive an email confirming the order placement, indicating that we have received your order and pre-authorized your credit card for the purchase. Our next step is to contact our suppliers to confirm the item's availability and readiness for shipment. Should the item be on backorder or unavailable, we will notify you of the estimated lead time. If the provided lead time is unsatisfactory, we will cancel the pre-authorization and contact you via email or phone. If the item can be shipped within 5 business days, we will proceed with processing the charges and shipping your order.
In the event of incorrect shipping information provided at checkout, we will make every effort to track down the item using our shipping partners. Please be aware that refunds and returns are not available in such cases. However, we will do our utmost to locate the item. If successful, re-shipping fees of up to 20% of the item's value may apply.
If your order is in stock and we have successfully processed your credit card charges, the items will be shipped within five business days from the order date. You will receive tracking information via email within 24 hours of your order leaving the distribution center. Should tracking information not be received within six days of your order, please contact us at +1 (307) 317-7213. The cut off time is 4 pm EST.
We offer free shipping on all orders and applicable items and brands within the mainland of the US (Hawaii, Alaska, and Overseas Territories are exclusions).
Eco Solar Kits does not ship orders directly to Hawaii, Alaska, or Overseas Territories. Clients needing delivery to these locations must arrange a freight forwarder and enter the forwarder’s address as the shipping address. Eco Solar Kits will then ship the order to the designated freight forwarder under our standard shipping terms.
Typically, orders are processed immediately upon receipt, taking approximately 1-4 business days after order confirmation, payment, and pick-up time to fulfill.
The delivery time via freight carrier may vary between 4-6 business days, depending on your location.
To prevent delays, frustration, and additional costs, kindly inform us of any concerns regarding the delivery to your location. It's important to note that the following situations may incur additional costs:
You can reach us using the contact methods provided below:
At D&D Eco Power Goods LLC, we strive to ensure our customers are completely satisfied with their purchases. Our return and refund policies are designed to provide a fair and transparent process based on the delivery date of your item.
You have 30 days from the delivery date to initiate a return. To be eligible for a return, the item must meet the following conditions:
Items that do not meet these conditions will not be accepted for return.
To begin the return process, please follow these steps:
We prioritize customer satisfaction and aim to provide a seamless refund experience. This refund policy is based on the delivery date of your item to ensure fairness in the return process.
Refunds will be processed based on the delivery date of the returned product. Once the manufacturer receives and inspects your returned item, we will notify you regarding the approval or rejection of your refund. If approved, the refund will be processed through your original payment method, typically within 10 days. Please note that it may take some time for your bank or credit card company to process and post the refund.
For any questions or concerns regarding our return or refund policy, please do not hesitate to contact us:
