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The SunGold Power 5kW 48VDC Off-Grid Solar Kit (SGR-5KE) combines a 5000W 48V solar inverter, the Wi-Fi model, with six 450W bifacial N-type monocrystalline panels and two 51.2V 100Ah server rack LiFePO4 batteries. SunGold estimates the array produces around 10kWh per day based on 4 hours of sun.
It is aimed at off-grid homes and cabins that run on 120V and want their storage in a rack-mount format. The batteries carry UL1973 and UL9540A listings, and the kit includes the breakers, cabling and Z-brackets to connect the array and battery bank.
Each 450W panel captures sunlight on both faces. SunGold says the rear side can harvest up to an additional 30% energy from reflected light, and the front side reaches 22.5% module efficiency. The dual glass build is rated for 5400Pa front and 2400Pa rear loads.
The SG48100P batteries are 3U rack-mount units at 51.2V 100Ah, 5.12kWh each. Each is rated for 7000 cycles with a 15-year design life, and an LCD shows battery data.
The inverter supplies 5000W of 120V pure sine wave power with a 10000VA peak and a 4HP loaded motor capacity. Its MPPT charger takes up to 5500W of solar at up to 500V open circuit.
The batteries support CAN, RS485 and RS232 communication, and the inverter's RS485 port is used for BMS communication. Up to 63 batteries can run in parallel when you need more storage.
The Wi-Fi model inverter shows the system's performance and energy data in an app, so you can track solar harvest from your phone.
The inverter is UL1741 Listed by ETL. The batteries carry UL1973, UL9540A, CE and UN38.3, and the panels carry UL61730, CE and TUV.
Off-grid homes with a utility room. Mount the rack batteries indoors and run 120V household loads from around 10kWh of daily solar.
Ground-mount and flat-roof arrays. Bifacial panels suit installs where the back of the array is exposed to reflected light, such as ground brackets, flat roofs, vertical surfaces and poles.
Snowy sites. SunGold notes the dual-sided design captures reflected light and helps shed snow.
Generator-assisted cabins. The 40A AC charger can refill the bank from a generator when sun is short.
Versus conventional single-sided panels. Bifacial modules can gather extra energy from the rear side. The gain depends on how much reflected light reaches the back of the panels.
Versus wall-mounted batteries. These are server rack batteries in a 3U format. They suit a rack or cabinet, which is not part of this kit.
Versus 240V-capable setups. One inverter here gives 120V. Paralleling identical units adds 240V split phase output.
This may be a good fit if
SunGold estimates around 10kWh per day based on 4 hours of sun. Your output will depend on your local sun hours and mounting.
They fit flat roofs, ground brackets, vertical surfaces and poles, and suit sites where the backside of the array is exposed to reflected light.
Yes. The SG48100P supports up to 63 batteries in parallel. SunGold advises against mixing new and old batteries, so ask us about matching before you expand.
Yes. The inverter accepts up to 5500W of PV input, and the kit's array is 2700W.
The SunGold Power 5kW 48VDC Off-Grid Solar Kit pairs six bifacial 450W panels with 10.24kWh of UL9540A-listed server rack storage and a 5000W Wi-Fi inverter. At Outbound Power, we help customers plan arrays, battery racks and inverters for off-grid homes and cabins. If you have questions, our team is happy to help.
SunGold Power 5kW 48VDC Off-Grid Solar Kit (SGR-5KE) Specifications |
|
|---|---|
| Kit Summary | |
| Kit Model | SGR-5KE |
| Inverter | 5000W 48V solar inverter charger, 120V output, Wi-Fi model (SPH5048P) |
| Battery Bank | 2 x 51.2V 100Ah server rack LiFePO4 batteries (10.24kWh total) |
| Solar Array | 6 x 450W bifacial N-type monocrystalline panels (2700W total) |
| Daily Solar Output | Around 10kWh per day (based on 4 hours of sun) |
| System Voltage | 48V DC |
| AC Output | 120VAC pure sine wave |
| Certifications | Inverter UL1741 Listed by ETL; batteries UL1973/UL9540A/CE/UN38.3; panels UL61730/CE/TUV |
| Inverter (SPH5048P) | |
| Rated Output Power | 5000W |
| Peak Power | 10000VA |
| Loaded Motor Capacity | 4HP |
| Rated Output Voltage | 120Vac (100/105/110Vac settable) |
| Output Waveform | Pure sine wave |
| Rated Battery Voltage | 48V (minimum start voltage 44V) |
| Battery Voltage Range | 40.0Vdc-60Vdc |
| Max PV Input Power | 5500W |
| Max PV Open Circuit Voltage | 500Vdc |
| PV Operating Voltage Range | 120-500Vdc |
| MPPT Voltage Range | 120-450Vdc |
| PV Charging Current | Up to 100A (can be set) |
| AC Charging Current | 0-40A (can be set) |
| Max Hybrid Charging Current | 100A |
| AC Input Voltage Range | 90Vac-140Vac |
| Conversion Time | 10ms (typical) |
| Bypass Breaker | 63A |
| Max Efficiency | 92% |
| Parallel Operation | Up to 6 units (30kW) |
| Communication | USB, RS485 (WiFi/GPRS), dry contact |
| Operating Temperature | 14°F to 131°F (-10°C to 55°C) |
| Noise | ≤60dB |
| Dimensions | 17.3 x 13.8 x 5.1 in |
| Weight | 28.66 lbs |
| Certification | UL1741 Listed by ETL |
| Battery (SG48100P, Each) | |
| Chemistry | Lithium iron phosphate |
| Format | Server rack, 3U |
| Nominal Voltage | 51.2V |
| Rated Capacity | 100Ah |
| Energy | 5.12kWh |
| Max Continuous Charge/Discharge Current | 100A |
| Standard Charge/Discharge Current | 50A |
| Recommended Charging Voltage | 54.5V |
| Charging Limited Voltage | 57.6V |
| Discharge Cut-Off Voltage | 43.2V |
| Cycle Life | ≥7000 (80% DOD) |
| Design Life | 15 years |
| Communication | CAN/RS485/RS232 |
| Parallel Expansion | Up to 63 batteries |
| IP Rating | IP20 |
| Dimensions | 442 x 460 x 133mm (3U) |
| Weight | Around 43kg |
| Certifications | UL1973/UL9540A/CE/UN38.3 |
| Solar Panels (SGN-450-BDG5, Each) | |
| Type | N-type bifacial dual glass |
| Peak Power (STC) | 450W |
| Module Efficiency | 22.5% |
| Open Circuit Voltage (Voc) | 35.03V |
| Max Power Voltage (Vmp) | 30.08V |
| Max Power Current (Imp) | 14.97A |
| Short Circuit Current (Isc) | 16.05A |
| Bifaciality | 80±10% |
| Cells | 96 N-type monocrystalline |
| Max System Voltage | 1500V |
| Load Rating | 5400Pa front, 2400Pa rear |
| Junction Box | IP68 (3 diodes) |
| Dimensions | 69.37 x 44.65 x 1.38 inch (1762 x 1134 x 35mm) |
| Weight | 53.35 lbs (24.2kg) |
| Certifications | UL61730 certified by ETL, CEC listed |
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