8 kW Split-Phase Solar System with 15 kWh Battery
For homes on a 120/240 V supply, the North American style used across the Caribbean and Central America. Runs 120 V lights and sockets and 240 V loads such as a well pump or a dryer.
Standard kit, supplied complete from China: 14 × 580 W modules, 8 kW inverter, 15.36 kWh battery, cables and protection. Available as a Premium or a lower-cost Value version.
Premium or Value
Same power, two ways to build it. The Premium version uses a Deye hybrid inverter and battery. The Value version uses a MUST off-grid inverter and battery, which costs less but does not send power to the grid.
Premium
Deye hybrid inverter and Deye battery
Price on request
Quoted for your quantity and port
- Modules: 14 × Tongwei 580 W N-type TOPCon module (8.12 kWp)
- Inverter: Deye 8 kW split-phase low-voltage hybrid, US version (exact model on quotation)
- Battery: 3 × Deye SE-G5.1 Pro-B, 51.2 V 100 Ah LiFePO4 (5.12 kWh each) (15.36 kWh)
Value
MUST (Infinisolar) off-grid inverter and MUST battery
Price on request
Quoted for your quantity and port
- Modules: 14 × Second-tier 580–585 W N-type TOPCon module (e.g. Runergy)
- Inverter: MUST (Infinisolar) PV39-10048 TLV, 10 kVA low-frequency off-grid inverter, 120/240 V
- Battery: 1 × MUST LP16-48320, 51.2 V 320 Ah LiFePO4 (16.38 kWh)
| Premium | Value | |
|---|---|---|
| Inverter | Deye 8 kW split-phase low-voltage hybrid, US version (exact model on quotation) | MUST (Infinisolar) PV39-10048 TLV, 10 kVA low-frequency off-grid inverter, 120/240 V |
| Battery | 3 × Deye SE-G5.1 Pro-B, 51.2 V 100 Ah LiFePO4 (5.12 kWh each) (15.36 kWh) | 1 × MUST LP16-48320, 51.2 V 320 Ah LiFePO4 (16.38 kWh) |
| Modules | 14 × Tongwei 580 W N-type TOPCon module (8.12 kWp) | 14 × Second-tier 580–585 W N-type TOPCon module (e.g. Runergy) |
| Works with the grid | Hybrid: works with the grid, a generator and the battery. Export to the grid can be limited or set to zero. | Off-grid: charges from solar, the grid or a generator. It does not send power to the grid. |
| Monitoring | Wi-Fi logger and app included with the inverter. | Wi-Fi module optional. |
| After-sales | Large brand with service partners in many countries. Serial numbers can be checked with the maker. | Spare boards shipped from the factory; the maker also has a branch in Panama. |
| Best for | Grid-connected homes and businesses that want backup, export control and a well-known brand. | Off-grid or weak-grid sites where price matters most and export is not needed. |
| Price | Price on request | Price on request |
What is in the kit
The Premium bill of materials below. Every line shows maker and model on the quotation, so two offers can be compared line by line.
| Item | Specification |
|---|---|
| Modules | 14 × Tongwei 580 W N-type TOPCon module (8.12 kWp) |
| Inverter | Deye 8 kW split-phase low-voltage hybrid, US version (exact model on quotation) |
| Battery | 3 × Deye SE-G5.1 Pro-B, 51.2 V 100 Ah LiFePO4 (5.12 kWh each) (15.36 kWh) |
| PV cable | 6 mm² solar cable, red and black, length to suit the array |
| Connectors | MC4-type connectors, matched to the module connectors |
| DC protection | External PV DC protection: breaker or fuse and surge protection |
| AC protection | Two-pole AC breakers for the 120/240 V output |
Included
- •Modules, inverter and battery as listed
- •PV cable and AC cable for a typical roof layout
- •Connectors matched to the modules
- •DC and AC protection
- •Datasheets, certificates and the battery transport documents (UN38.3, MSDS)
Not included
- •Roof mounting (quoted separately once we know the roof)
- •Earthing rods and site earthing
- •Installation and local permits
- •Freight and insurance, unless you ask for a CFR or CIF price
- •Import duty, taxes and clearance at your end
Where this kit fits
Good fit
- •Homes in the Caribbean and Central America
- •Backup for hurricane seasons and long outages
- •Off-grid cabins and farm houses with 120/240 V wiring
Not the right kit for
- •230 V single-phase grids (look at the 230 V kits)
- •Grid-tied homes in the USA or Canada without checking certification first
Split-phase 120/240 V markets
The North American style of home supply: two 120 V legs, 240 V between them for large loads.
Used in: The Caribbean, including Puerto Rico and the Bahamas; Central America, including Belize; Parts of South America that use 120/240 V; Off-grid sites in the USA and Canada.
Not for: Grid-tied homes in the USA or Canada unless the equipment carries the UL listings your utility asks for (check with us first); 230 V single-phase grids (use a 230 V kit).
Terms and shipping
| Trade terms | FOB Xiamen or Ningbo. CFR and CIF to your port on request. |
| Payment | 30% T/T deposit, 70% before loading. |
| Lead time | Confirmed at order. Stock and factory schedules change week to week. |
| Batteries | Lithium batteries ship as class 9 dangerous goods (UN3480) with UN38.3 and MSDS. |
| Prices | Price ranges are per kit, FOB Xiamen. The lower end is for full-container orders. Module prices move with the market, so the quotation fixes the final price. |
Several kits ship together in one container. We send a packing list with volume and gross weight with the quotation, so your forwarder can price the freight. How we ship
Other sizes
Same grid (120/240 V split-phase)
Other grids
Frequently asked questions
What is included in the 8 kW + 15 kWh solar kit?
14 × 580 W modules (8.12 kWp), a 8 kW inverter, 15.36 kWh of LiFePO4 battery, PV and AC cable, connectors, and DC and AC protection. Roof mounting is quoted separately once we know the roof type.
Which countries is this 120/240 V split-phase kit for?
It is built for 120/240 V split-phase supplies at 60 hz. Typical markets: The Caribbean, including Puerto Rico and the Bahamas; Central America, including Belize; Parts of South America that use 120/240 V; Off-grid sites in the USA and Canada. Tell us the country at enquiry and we set the inverter for your grid before shipment.
What is the difference between the Premium and Value versions?
Premium uses a Deye hybrid inverter and Deye LiFePO4 battery. It works with the grid, can limit or stop export, and comes with app monitoring. Value uses a MUST (Infinisolar) off-grid inverter and MUST LiFePO4 battery. It charges from solar, the grid or a generator but does not send power to the grid, and it costs less.
How much does it cost?
Send the quantity and destination port and we quote the same day where stock allows. Module prices move with the market, so we do not publish a fixed price for this size.
How is the kit shipped and paid for?
We quote FOB Xiamen or Ningbo, and CFR or CIF to your port on request. Payment is 30% deposit and 70% before loading. Lithium batteries ship as class 9 dangerous goods with UN38.3 and MSDS documents.
Get a price for the 8 kW + 15 kWh kit
Tell us the quantity, the destination port and whether you want Premium or Value. We reply with a quotation, a packing list and the datasheets.
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