Off-Grid Solar Kit 15000W 48VDC 120V/240V LifePo4 30.72KWH Lithium Battery with 20x 415W Solar Panels SGR-15K20E

This advanced Off-Grid Solar Kit is engineered for homeowners, cabin owners, commercial users, and anyone seeking a reliable and independent power solution far from the grid. Designed for high-output daily energy production, long-term durability, and full energy independence, the SGR-15K20E delivers the performance required to run demanding electrical loads while ensuring stable power during solar storms, grid failures, and extended outages. As a complete solar panel kit, this system supports homes, sheds, workshops, offices, and light commercial spaces with dependable renewable energy you can trust.

Why Choose the SGR-15K20E Off-Grid Solar Kit

High daily energy output
The system can produce approximately 30 kWh per day based on 4 hours of peak sunlight, making it ideal for homes, cabins, small shops, agricultural buildings, and commercial applications.

True Split-Phase 120/240V Output
The powerful 15 kW inverter can run air conditioners, well pumps, refrigerators, freezers, water heaters, large tools, lighting, electronics, and office equipment with ease. This solar generator kit can power a house and supports heavy loads typical of rural and off-grid living.

Long-lasting 51.2V LiFePO4 battery bank
The 30.72 kWh lithium iron phosphate battery system offers deep-cycle stability, fast charging, a long lifespan, and safe performance. It stores excess solar power for nighttime use and provides dependable backup power during storms or outages.

Complete solar kit for homes, sheds, small commercial buildings, and remote properties
This is a fully integrated system that replaces expensive grid infrastructure. It is ideal for solar panel kits for sheds, off-grid homes, remote cabins, survival properties, commercial solar systems, and locations where grid access is unavailable or unreliable.

Scalable and expandable
The system is designed for future growth. You can add more solar panels or more LiFePO4 batteries at any time, making it one of the most flexible complete solar kits available.

Engineered for long-term performance
Built with UL-listed components including solar panels (UL61730), batteries (UL1973 / UL9540A), and safety-certified controls, this kit is manufactured for durability and security in all environments.

What’s Included with the SGR-15K20E Off-Grid Solar Kit

1 x 15,000 Watt 48VDC 120V/240V Split Phase Inverter

20 x 415 Watt High-Efficiency Monocrystalline Solar Panels

6 x 100Ah 51.2V LiFePO4 Lithium Batteries providing 30.72 kWh storage

1 x Enclosed Battery Cabinet designed for 6 x 100Ah 51.2V LiFePO4 batteries

2 x 100A MPPT Solar Charge Controllers engineered for maximum harvest efficiency

2 sets of 50 ft Solar Extension Cables for inverter PV input

2 sets of cable connections between battery and MPPT controller

20 sets of mounting Z-brackets for panels

1 x 400A DC Breaker for system protection

2 x 50A PV Breakers for solar input safety

This complete off-grid solar system includes everything required for a full installation, built with premium-grade components that ensure long lifespan, high energy yield, and reliable performance in all climates.

Sungold Power 15000W 48V Split Phase Pure Sine Wave Inverter Charger

LF-PV Series Pure Sine Wave Inverter is a combination of a 15000-watt inverter, AC charger, and Auto-transfer switch into one complete system.

The split-phase inverter requires 240VAC input and can provide 120VAC or 240VAC output power for all kinds of appliances, and it can output 50 or 60Hz via the SW4.

AC/Battery Priority: Our inverter is designed with AC priority by default, you can choose the battery priority by SW5 switch.

Sungold Power 48V 100AH Server Rack LiFePO4 Lithium Battery

The SG48100P Lithium Battery is a high-performance energy storage solution, designed for seamless integration into your energy system. Compact and easy to install, this maintenance free battery offers reliable performance for home, small commercial, and industrial applications. Its parallel installation capability allows you to easily expand capacity as your energy needs grow. Perfect for residential and commercial energy storage systems, the SG48100P provides efficient and scalable power storage with minimal upkeep.

BatteryCharacter: The 51.2V 100AH LFP Battery is compact, well-designed, LCD, and cable/accessories ready for installation. ≥7000 cycles deep cycle & 10 years warranty, designed for up to 15-year life. UL1973.

Intelligent BMS: Battery Management System of the 48v server rack battery can manage and monitor cells information including voltage, current and temperature, protects it from overcharge, deep discharge, overloading, overheating and short circuit, help to extend lifetime.

Flexible: Modular design, easy to expand, max 32 units in parallel capacity of 163.84kwh, suitable to residential and commercial applications and other energy storage system for increasing the self-consumption ratio.

Compatible: CAN/RS485/RS232 Communication Protocol Lithium Ion Battery can be compatible with most inverters in the market, such as Growatt, Deye, SunGoldPower, Luxpower, Victron energy, Schneider, Phocos, SMK and so on.

Sungold Power 100 Amp MPPT Solar Charge Controller

The SunGoldPower 100A MPPT Charge Controller delivers industry-leading efficiency and intelligent solar management, making it one of the most advanced charge controllers available. With up to 99.9% MPPT tracking efficiency, it captures maximum solar output, ensuring faster, more effective charging for your battery bank. The controller automatically detects 12V, 24V, 36V, and 48V DC system voltages, offering seamless integration with a wide range of off-grid setups.

Compatible with multiple battery types, including lithium, sealed, AGM, and user-defined batteries—this controller provides exceptional flexibility for any solar application. Built-in over-temperature protection and current-limited charging enhance safety and reliability during high demand operation.

For expanded system capability, the unit supports parallel operation, allowing you to exceed the output limits of a single controller. The integrated Bluetooth module enables real-time monitoring and configuration through a mobile app, giving you instant access to system performance data.

A bright LCD display provides clear system information, customizable settings, and detailed error codes, ensuring complete visibility and control of your solar power system.

Sungold Power Complete Off-Grid Solar Kit SGR-15K20E Certifications

For Batteries: UL1973/UL9540A/CE/UN38.3

For Solar Panels: UL61730/CE/TUV

The Off-Grid Solar Kit 15000W 48VDC 120V/240V LifePo4 30.72KWH Lithium Battery with 20 x 415W Solar Panels SGR-15K20E is a powerful, complete solar solution designed to deliver reliable, independent, and cost-effective renewable energy. Whether you need a solar generator kit for homes, a solar system for sheds, or a complete solar panel kit for remote living, this system ensures dependable power for essential appliances, large household loads, and commercial equipment. With long-term expandability, high energy output, and premium LiFePO4 battery storage, it provides a future-proof, off-grid energy system that performs consistently through harsh weather, outages, and daily use.

Specifications

15000W 48V Split Phase Pure Sine Wave Inverter Charger Specifications

*15KW split phase pure sine inverter charger DC 48V AC 240V input AC output 120V/240V
*Auto Generator Start (AGS)
*Include Battery Temperature Sensor (BTS) and Remote Control
*8 kinds of battery voltage selection ( lithium LiFePO4, gel, AGM and lead Acid batteries）
*Compatible With All kind of Home & Office Appliances
*Powerful Charge Rate Up to 100Amp, Selectable From 0%-100%
*Built-in transfer switch and battery charge, backup or off grid power solutions
*AC/Battery Priority Mode, Designates the Inverter-Preferred UPS Configuration
*4-step Intelligent Battery Charging, PFC (Power Factor Correction) for Charger
*8 ms Typical Transfer Time Between Utility & Battery,Ensure Power Continuity
*15s Delay Before Transfer when AC Recover, Protection for Load when Used with Generator

Main Specification：
Continuous Output Power :15.0KW
Surge Rating(20s) :45.0KW
Output Waveform :Pure Sine Wave
AC Output Voltage: 120V and 240V
AC Input Voltage:240V( not suitable for AC 120V input )
DC Battery Voltage:48Vdc
AC Battery charger:100±5Amp
Output Frequency :50Hz /60Hz
Typical transfer Time :10ms(Max)

DC Input:
Nominal Input Voltage :48.0Vdc
Minimum Start Voltage :40.0Vdc / 42.0Vdc
Low Battery Alarm :42.0Vdc / 44.0Vdc
Low Battery Trip :40.0Vdc / 42.0Vdc
High Voltage Alarm :64.0Vdc
Low Battery voltage recover :62.0Vdc
Power Saver on Idle Consumption: 45W
Power Saver off Idle Power: 225W

Charger :
Output Voltage: Depends on battery type
Battery Initial Voltage for Start Up: 40-62.8V
Over Charge Protection Shutdown :62.8V
Charger Breaker: 100A
Input Voltage Waveform :Sine wave (Grid or Generator)
AC input range:184-253Vac/140-270Vac
Nominal Input Frequency :50Hz or 60Hz (Auto detect)

Packaging:
15000W 48V Split Phase Pure Sine Wave Power Inverter
English Manual
Remote Control
BTS Cable
Unit Weight: 176.6 LB
Unit Size: 28.7x 16.5x 8 inch
Shipping Weight: 213 LB
Shipping Size: 34.25x 21.3x 16.2 inch

415 Watt Monocrystalline Solar Panel Specifications

48V 100AH Server Rack LiFePO4 Lithium Battery Specifications

100 Amp MPPT Solar Charge Controller Specifications