

Description
Off-Grid Solar Kits 18kW Options 120V/240V with 48v LiFePO4 Lithium Batteries & 415w Solar Panels
This Complete Off-Grid Solar Kit provides everything required to power a home, cabin, or small commercial site entirely off the grid. The system includes high-efficiency 415W solar panels, durable 100AH 51.2V LiFePO4 batteries, a robust 12–18kW split-phase inverter (120/240V), plus two sets of solar cables and mounting brackets for installation.
With output options of 12kW, 15kW, or 18kW and a storage capacity of 30kWh, this system is built to handle demanding energy needs. It can run large household appliances such as air conditioners, refrigerators, well pumps, and workshop tools, as well as electronics like lights, TVs, and office equipment—making it suitable even for light industrial or commercial use.
Designed for affordability and flexibility, this off-grid kit is also easily expandable. You can add additional panels and batteries in the future to increase capacity as your power requirements grow.
Specifications
What's In The Box?
★ 1 X 18000 Watt 48V DC 120V/240V AC Output
★ 20 X 415 Watt Monocrystalline Solar Panels
★ 2 X 100A Mppt Solar Charge Controller
★ 6 X 100AH 51.2V Lifepo4 Battery
★ 1 X Enclosed Battery Cabinet for 6 X 100AH 51.2V Lifepo4 Batteries
★ 2 Sets X 50 Feet, Solar Extension Cables-Inverter PV input
★ 2 Sets Cable Between Battery and MPPT Controller
★ 20 X Sets of Mounting Z-Brackets
★ 1 X 400A DC Breaker
★ 2 X 50A PV Breaker
Manuals / Wiring Diagram
- 12kw-18kw Inverter
- LifePo4 5.12KWH Lithium Battery
- 415 Watts Solar Panels
- 100A MPPT Solar Controller
- The wiring diagram of SGR-18K20E Solar Kit
Warranty
At King of Generators, we’re proud to be a verified dealer of Sungold Power products. We are committed to providing exceptional customer service and ensuring your satisfaction with every purchase. Please review our warranty and return policies below, which are in line with Sungold Power’s official terms.
Warranty Coverage
Sungold Power offers a warranty period ranging from 1 to 25 years, depending on the specific product. The warranty period begins on the original date of purchase by the end consumer.
To validate the warranty, customers must provide proof of purchase, such as the original sales receipt or another acceptable form of documentation.
30-Day Return Policy
We offer a 30-day return window on Sungold Power products. Returns are accepted under the following conditions:
Return shipping will be covered by Sungold Power for the following reasons:
Carrier damage
- Defective or faulty product
- Product not as described or advertised
- Incorrect item shipped
- Additional product received in error
For all other return reasons, the customer is responsible for round-trip shipping costs. Note: Free shipping promotions apply only within the continental United States.
Return Conditions
To qualify for a return:
- Items must be unused, unmodified, and undamaged
- Items must be in original packaging
- Return requests must be made within 30 days of delivery
Returns requested after 30 days may be considered on a case-by-case basis and require special approval.
Before sending a return, please email our team at info@kinggenerators.com
with the following:
- Order number
- Photo or video evidence (if applicable)
- Original packaging and item details
Refunds
After your return is received and inspected, we will notify you regarding the status of your refund. If approved, the refund will be issued to your original payment method within several business days.
Order Cancellations
Orders may be canceled for a full refund within 72 hours of placement, provided the order hasn’t yet shipped. If the item has already shipped, the customer will be responsible for return shipping costs.
Used Product Warranty
For used products, the warranty coverage is as follows:
- Within 30 days of purchase: Sungold Power covers all shipping and repair costs for naturally occurring issues.
- Within 1 year of purchase: Sungold Power covers repair costs; the customer covers round-trip shipping.
Please note that Sungold Power is not responsible for after-sale service of products purchased outside of authorized dealers. Accessories may be purchased separately, but after-sale support for accessories is limited.
Warranty Exclusions
Warranty does not cover:
- Damage from misuse, abuse, or modification
- Accidental damage
- Unauthorized repairs or disassembly
- Products used outside of standard consumer use
Modified products will be returned at the customer’s expense.
Replacements
If your product fails to operate within 30 days, Sungold Power will issue a replacement, which inherits the original product’s warranty period. If the issue is caused by improper use, only troubleshooting assistance will be provided. Replacement parts under warranty will be sent upon request.
If you have any further questions about our warranty or return policies, please don’t hesitate to contact our support team
Email: info@kinggenerators.com