SAVE $410: As of May 26, the EF EcoFlow Delta 3 Max is on sale for $789 at Amazon. That's a 34% discount on the list price.

Opens in a new window Credit: EcoFlow EF EcoFlow Delta 3 Max $798 at Amazon
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Amazon's Memorial Day sale has come to an end, but there are still some lingering deals hanging around.

The EF EcoFlow Delta 3 Max is one of the best of the bunch at over $400 off on Amazon. As of May 26, you can make it yours for $789, giving you a reliable whole-home power solution for under $800. This even includes a free solar panel with purchase

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The Delta 3 Max is a portable power station designed for home backup and off-grid use. It's ready for use in no time at all, with EcoFlow’s X-Stream charging technology allowing it to recharge from 0–80% in just over an hour. It delivers up to 3,400W continuous output in X-Boost mode, so it's able to run high-demand appliances like fridges, or smaller, personal devices like laptops.

It uses a long-lasting LiFePO4 battery designed for up to 10 years of daily use, so it's a valuable investment and one that will last. It's also simple to use, with the assistance of the EcoFlow app. Here you can do things like monitor energy use and adjust charging and discharging settings.

Find this portable power station deal at Amazon now.