Matched power package
Combines major solar, storage, and inverter components so the system is easier to plan from the start.
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SunGoldPower
OFF GRID SOLAR KIT 20KW 48VDC 120V/240V LIFEPO4 30.72KWH LITHIUM BATTERY 32 X 450 WATTS SOLAR PANELS SGR-20K30E - SGR-20K30E OFF GRID SOLAR KIT 20KW 48VDC 120V/240V LIFEPO4 30.72KWH LITHIUM BATTERY 32 X 450 WATTS SOLAR PANELS SGR-20K30E
SKU: SGR-20K30E
$16,133.00
$23,309.00
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SunGoldPower Off-Grid Solar Kit
OFF GRID SOLAR KIT 20KW 48VDC 120V/240V LIFEPO4 30.72KWH LITHIUM BATTERY 32 X 450 WATTS SOLAR PANELS SGR-20K30E
The OFF GRID SOLAR KIT 20KW 48VDC 120V/240V LIFEPO4 30.72KWH LITHIUM BATTERY 32 X 450 WATTS SOLAR PANELS SGR-20K30E is a complete off-grid power package built around solar charging, lithium storage, and inverter output. It is made for customers who want a more complete path to backup power, remote power, or energy independence without piecing together the full system from scratch.
20KW30.72KWH450WS48VDC120V240V32 X 450WSOff-Grid
Backup and off-grid use
Built for properties that need stored energy, solar charging, and reliable AC output when grid power is limited or unavailable.
Simpler project planning
Helps reduce guesswork compared with sourcing panels, batteries, and inverter hardware separately.
A cleaner way to build a complete system
A complete solar power package saves time by bringing the major system pieces together around one goal: dependable stored power. It is built for customers who want a clearer path to an installed system instead of guessing through a long parts list.
- Built for customers planning a more complete solar and backup power system.
- Combines solar charging, lithium storage, and inverter output into one project-focused package.
- A strong fit for homes, cabins, farms, workshops, remote properties, and off-grid power builds.
- Helps reduce component-matching guesswork before installation.
Plan the solar array
Our solar panel selection guide helps compare panel types and ratings. For installation planning, the series versus parallel wiring guide explains the electrical difference between wiring panels in series and parallel.
Package Includes
1x OFF GRID SOLAR KIT 20KW 48VDC 120V/240V LIFEPO4 30.72KWH LITHIUM BATTERY 32 X 450 WATTS SOLAR PANELS SGR-20K30E - SGR-20K30E
Includes the selected item based on the current package option.
| OFF GRID SOLAR KIT 20KW 48VDC 120V/240V LIFEPO4 30.72KWH LITHIUM BATTERY 32 X 450 WATTS SOLAR PANELS SGR-20K30E | |
| Selected variant SKU | SGR-20K30E |
|---|---|
| MODEL | |
| Model / SKU | SGR-20K30E, SGR-20K30T, SGR-20K32P |
| Product Type | Solar Power Kit |
| ELECTRICAL | |
| Charge Voltage Setting Range | 48-58.4 V in 0.4 V steps |
| Rated Output Voltage | 120/240 VAC (single-phase/split-phase) |
| Rated Frequency | 50/60 Hz |
| Output Wave | Pure sine wave |
| Parallel Number | 6 |
| Battery Type | Lithium-ion battery/lead-acid battery/user-defined battery |
| Rated Battery Voltage | 48 Vdc |
| Voltage Range | 40 Vdc−60 Vdc |
| Charge Current (Continuous / Maximum) | 100 A / 120 A |
| No. of MPPT Trackers | 2 |
| Max. Input Power | 11,000 W |
| Max. Input Current | 22/22 A |
| Input Voltage Range | 90 VAC−140 VAC |
| Input Frequency Range | 50/60 Hz |
| Bypass Overload Current | 63 A |
| MPPT Tracking Efficiency | 99.9% |
| Maximum Battery-Mode Efficiency | 92% |
| Discharge current | > 1A |
| Charge current | > 1A |
| Standard charging current | (25℃):example:0.2C(20A) |
| Rated voltage | 51.2V |
| Rated capacity | 314Ah |
| Rated energy | 16.07kWh |
| Usable Energy | 15.42kWh |
| Rated DC power | 7.68kW |
| Maximum continuous Discharge Rate | 7.68kW |
| Standard charge / discharge current | 150A/150A |
| Max. Charging / discharging current | 190A/190A |
| Peak charging current | 220A(3S) |
| Peak discharging current | 220A(3S) |
| Breaker Current | 240A |
| Max. number of parallel | 16 |
| Lithium Battery Standard | UN38.3, MSDS, EN55032, EN55024, |
| Number of cells | 96 cells |
| Module efficiency | ηm (%) 22.5 |
| Solar Array Configuration | 32 × 450W panels (14,400W rated total) |
| Battery System Voltage | 48VDC |
| Listed Capacity | 30.72KWH |
| Listed System Voltage | 120V |
| Listed Solar Power | 20KW |
| CONNECTIONS | |
| Communications | RS485 for PC/remote monitoring and BMS communication |
| BMS Communication | CAN |
| Communication | mode can be set |
| PHYSICAL | |
| Dimension | 620 mm*445 mm*130 mm |
| Weight | 27 kg |
| Dimensions(L*W*H) | 1048*460*271mm(41.26*18.11*10.67inch) |
| Frame | Black anodized aluminum alloy |
| OPERATING LIMITS | |
| Ambient temperature | -10°C−55°C (14°F−131°F), to ensure optimal operation |
| Protection level | IP20, for indoor use only |
| Certification | Safety IEC62109-1, IEC62109-2, and UL1741 |
| Life cycle(80% DOD,0.5C,25℃) | 8000 Cycles |
Frequently Asked Questions
Clear answers to common questions about this product, setup, compatibility, and use.
What major equipment is included in the SGR-20K30E solar kit?
The exact package is defined by the selected variant and its Package Includes list, centered on 20KW, 30.72KWH of battery storage, and 32 panels rated 450W each. Verify quantities for batteries, panels, controllers, cables, breakers, brackets, and racks before checkout because similar SunGoldPower kits use different component counts.
Can the SGR-20K30E's 20KW inverter start every appliance below that wattage?
Do not size from nameplate watts alone. Add simultaneous continuous loads, then separately check startup demand and duration for compressors, pumps, motors, microwaves, and heating equipment against every inverter, leg, outlet, transfer, and battery-current limit.
How long can the SGR-20K30E's 30.72KWH battery supply my critical loads?
Build an hourly watt-hour load profile and compare it with usable battery energy after reserve, inverter loss, battery temperature, standby consumption, and aging. High-power appliances may fit the inverter yet consume the available 30.72KWH much faster than expected.
Is the SGR-20K30E's 32 panels rated 450W each array enough to refill the batteries in one day?
Daily harvest depends on site-specific peak sun hours, season, tilt, shade, snow, module temperature, wiring, and conversion loss. The string design must also keep cold open-circuit voltage, operating current, and tracker allocation inside the exact controller or inverter limits.
Does the SGR-20K30E replace the transfer equipment for a 20KW backup system?
The title identifies a 120V/240V system, but an installer must still verify per-leg limits, load imbalance, neutral and ground treatment, transfer equipment, breakers, conductor sizes, and which circuits belong in the backed-up panel.