Best Solar Lights is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more

The 21 Best Backup Solar Generators (Buying Guide Included)

Backup solar generators keep lights on when the main power fails. They are also helpful in powering appliances and equipment during a power outage.
Lithium-ion batteries are typically a better choice for backup solar energy systems with an expanded depth of discharge and extra watt-hours to spare. Therefore, they provide more daily and lifetime power for users.
Look at this article's top best backup solar generators for valuable ideas before buying!

Showing  21 - 21  in  21 results
    BOT Score

    Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.

  • Brand

Last update on 2023-04-01 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

3 ratings








Jackery Solar Generator 1500

Best Seller

View on Amazon


EF ECOFLOW Solar Generator Delta Max

Best Overall


View on Amazon



EF ECOFLOW DELTA Pro Portable Home Battery

Best For Off-grid Living

View on Amazon


EF ECOFLOW Portable Power

Best For Large Homes

View on Amazon


BLUETTI AC50S 500Wh Portable Power

Best Budget

View on Amazon


Which Situation Are A Backup Solar Generator Suitable For?  

Because it’s a system that provides users with electricity whenever or wherever they are, it is suitable for the situation of no electricity. It is the best solution for charging electronic devices and running appliances during a power outage. 

Besides, it’s also perfect to benefit from long-day camping trips, exploring trips, etc.

Can A Solar Generator Power A House?

It depends on the house's size and the house appliances to decide whether it can power a home. 

Usually, a 5,000 to 7,500 watts generator can run many house equipment, such as a refrigerator, a freezer, fans, lighting, etc. 

How Does Backup Solar Generators Work?

It’s not so sophisticated for its process of working:

  1. The solar panel converts sunlight into direct current electricity through the charge controller.
  2. Solar energy is stored inside the battery.
  3. The inverter turns the electricity into accessible alternating current power.

How Much Does It Cost?

A backup solar generator can range in cost from $300 to $5,000, depending on many criteria such as the capacity, size, style, or brand they come from. 

Generally speaking, the average cost of a backup solar generator is about $2,000. Smaller generators can power small devices such as laptops, speakers,s or cell phones. Larger generators can power many larger appliances such as TVs, computers, fridges, air conditioners, etc.

Luyn Tree
Luyn Tree
Luyn Tree is a specialist in solar, electric, home, and garden. With many years of experience, she is responsible for content moderation for BestSolarLights. With a mission to bring the best value to readers, Luyn Tree always researches the latest products to bring to households and businesses in the US, Canada, UK, Italy, EU, and Germany products with the most economical cost and best quality. Moreover, she will also provide you with a buying guide, how to use effectively, and valuable "tips" for the product you need. Luyn Tree from BestSolarLights will update and send you the best and latest ideas!

Christmas Tree Solar Christmas Lights Christmas Lights Today's Best Deals