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INDEPENDENCE DAY SALE
$450 off Apollo 5K
$350 off Expansion Battery

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If you are a U.S. taxpayer interested in installing a solar system in your primary home, the federal solar tax credit could save you 30 percent on the solar system cost.
  • 3 min read
We are pleased to announce that the Apollo 5K has passed all TUV official safety and performance tests!
  • 1 min read
On June 9, 2023, we delivered the final version of the updated Apollo 5K to TUV — official safety and performance testing is in progress. We will provide an update when certification is complete.
  • 1 min read
We have some very exciting news to share: the updated Apollo 5K has entered pre-production. The source of the voltage leak and the solution to this problem were both identified in January, but we have been taking time to thoroughly verify the entire design of the product.
  • 1 min read
On January 12, 2023, a problem was identified with our Apollo 5K: a low current voltage leak. The voltage leak was not identified in our QA process due to the specific environment in which we performed our tests. We are taking this matter seriously. All Apollo 5K shipments are halted. We have identified the source of the problem in the Apollo design. Both the source of the problem and the solution appear to be relatively straightforward. But, to ensure we fully explore every possibility, we are still investigating the matter. 
  • 2 min read

For the second winter in three years, the state of Texas has faced devastating power grid failures, leaving many in doubt about the reliability of centralized power and what to do in the event such power failures become a regular occurrence.

  • 3 min read