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SunGold Power 5kW 48VDC Solar Kit | 2700W Solar

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SKU: SGK-5PRO
$4,957.65

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The SunGold Power 5kW 48VDC Solar Kit Builds a 10.24kWh Bank From Four Self-Heating 12V Batteries and Charges It With 2700W of Solar

The SunGold Power 5kW 48VDC Solar Kit (SGK-5PRO) is an off-grid system built around a 5000W 48V pure sine wave solar inverter, the Wi-Fi model. Six 450W monocrystalline PERC panels feed its MPPT charger, and four 12V 200Ah LiFePO4 batteries with Bluetooth form a 10.24kWh battery bank.

The 12V batteries suit owners who want to check each battery from a phone and need self-heating for cold seasons. SunGold's 12V batteries support 12V, 24V or 48V configurations, and four in series make the 48V bank this inverter runs on.


SunGold Power 5kW 48VDC Solar Kit Features

Four 12V 200Ah Batteries in a 48V Bank

Each battery stores 2560Wh at 12.8V and has a built-in 200A BMS that protects against overcharging, over-discharging, overcurrent, short circuits and high temperature. SunGold rates the cells for 4000+ deep cycles.

Bluetooth and LCD on Every Battery

Each battery has an LCD for voltage and state of charge, plus Bluetooth. The SGP Battery app for iOS and Android shows real-time battery data, including cell data and warnings.

Self-Heating for Cold Climates

The batteries warm themselves when their core temperature drops below 33.8°F (1°C) and stop at 42.8°F (6°C). That keeps charging possible through cold winters.

450W Mono PERC Panels

Six SG450WM panels reach 20.79% module efficiency with 120 PERC cells. IP68 junction boxes and anodized aluminum frames are built for long outdoor service.

5000W Inverter With Solar Headroom

The inverter supplies 5000W of 120V pure sine wave power with a 10000VA peak. Its MPPT charger accepts up to 5500W of PV at up to 500V open circuit, so the 2700W array is about half of what it can take.

Wi-Fi Monitoring and Four Output Modes

The Wi-Fi model reports system data to an app. Four output modes (PV priority, utility priority, inverter priority and hybrid output) let you choose how loads are served.


Real-World Applications

Cold-climate cabins. Self-heating batteries help the bank keep charging through winter at a seasonal or full-time cabin.

Off-grid homes on 120V. Run household appliances, electronics and lighting from 2700W of solar and 10.24kWh of storage.

Shops and outbuildings. Power tools and equipment with a system you can monitor battery by battery.

Backup charging by generator. The 40A AC charger lets a generator refill the batteries when sun is short.


How It Compares to Common Alternatives

Versus a single 48V battery. Here four 12V batteries make up the bank. Each weighs 48.5LB and has its own Bluetooth, LCD and self-heating. The tradeoff is that a series bank needs matched, evenly charged batteries.

Versus a component-by-component build. The inverter, MPPT solar charger and AC charger are one unit, with one display and one app.

Versus a 120/240V split phase inverter. A single unit here gives 120V. Paralleling identical inverters adds 240V split phase output.


Is This Solar Kit the Right Fit

  • Battery setup. SunGold says to fully charge each battery separately before connecting them in series, with no more than 0.1V difference between batteries.
  • Series limit. Up to four 12V batteries can be connected in series, which this kit already uses.
  • Battery mixing. Do not mix these batteries with other brands, types, or older batteries.
  • AC output. One inverter supplies 120VAC.
  • Space. Each battery measures 19.7 x 9.4 x 9.1 inches. The inverter is 17.3 x 13.8 x 5.1 inches.

This may be a good fit if

  • You install in a cold climate
  • You want Bluetooth on every battery
  • You like a bank built from 12V batteries
  • You run 120V loads with room for more solar

Common Questions

Why Does a 48V Kit Use 12V Batteries?

Four 12V batteries wired in series form the 48V bank. SunGold limits series connections to 58.4V, which allows up to four 12V batteries.

How Do I Monitor the Batteries?

Press the button on any battery's LCD to see its data, or use the SGP Battery app over Bluetooth. The inverter's Wi-Fi model adds app monitoring for the whole system.

What Charging Modes Does the Inverter Offer?

AC Priority, Solar Priority, Only Solar and Mains and Solar hybrid charging.

Can the Batteries Charge Below Freezing?

Charging is rated from -4°F to 113°F, and the self-heating function turns on below 33.8°F.


What's Included

  • 1 x 5000 Watt 48V DC 120V Output Inverter (Wi-Fi Model)
  • 6 x 450 Watt Monocrystalline Solar Panels
  • 4 x 200Ah LiFePO4 Batteries With Bluetooth
  • 6 x Sets of Mounting Z-Brackets
  • 1 Set x 50 Feet Solar Extension Cables (Inverter PV Input)
  • 1 x 160A DC Breaker
  • 1 x 25A PV Breaker
  • 1 Set x 4AWG Cable (Breaker to Inverter Connection)

Cold-Ready Storage With 2700W of Solar

The SunGold Power 5kW 48VDC Solar Kit gives a 120V off-grid system 5000W of output, 2700W of solar and a 10.24kWh bank of self-heating 12V lithium batteries. At Outbound Power, we help customers plan off-grid kits for cabins, homes and shops in every season. If you have questions, our team is happy to help.


SunGold Power 5kW 48VDC Solar Kit (SGK-5PRO) Specifications

Kit Summary
Kit Model SGK-5PRO
Inverter 5000W 48V solar inverter charger, 120V output, Wi-Fi model (SPH5048P)
Battery Bank 4 x 12V 200Ah LiFePO4 batteries in series (10.24kWh total)
Solar Array 6 x 450W monocrystalline panels (2700W total)
System Voltage 48V DC
AC Output 120VAC pure sine wave
Certifications Inverter UL1741 Listed by ETL; 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
Batteries (12V 200Ah LiFePO4, Each)
Nominal Voltage 12.8V
Capacity 200Ah
Energy 2560Wh
Built-In BMS 200A
Max Continuous Charge Current 150A
Peak Discharge Current 245A (15s)
Recommended Charge/Discharge Current 100A
Voltage Window 10.8-14.6V
Series Connection Up to four 12V batteries (58.4V max)
Cycle Life ≥4000 (0.2C, 77°F, 80% DOD)
Operating Temperature Charge -4°F to 113°F, discharge -4°F to 131°F
Self-Heating On below 33.8°F (1°C), off at 42.8°F (6°C)
Monitoring LCD and Bluetooth (SGP Battery app)
IP Rating IP65
Dimensions 19.7 x 9.4 x 9.1 inch
Weight 48.5LB
Solar Panels (SG450WM, Each)
Peak Power 450W
Cells 120 (6 x 20) PERC monocrystalline
Open Circuit Voltage (Voc) 41.72V
Max Power Voltage (Vmp) 34.2V
Max Power Current (Imp) 13.16A
Short Circuit Current (Isc) 13.82A
Module Efficiency 20.79%
Max System Voltage 1500V
Junction Box IP68
Dimensions 75.16 x 44.65 x 1.38 inch (1909 x 1134 x 35mm)
Weight 54lbs (24.5kg)
Certifications UL61730, CE, TUV

SunGold Power 5000W Solar Kit Manual

SunGold_Power_Solar_Kit_5000W_Manual

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