Bluetti’s 488Wh AC50B portable power station is a more compact backup solution down at $259 for today only (Up to $140 off)

Through the official Bluetti Amazon storefront, you can find the AC50B 448Wh Portable Power Station down at $258.96 shipped, which matches the Best Buy Deal of the Day pricing until midnight and beats out the direct website pricing by $140. Down from a $399 MSRP, we’ve mostly seen discounts in 2026 dropping the costs between $279 and $259, though there was a one-time fall to $246 during June’s Prime Day event. The one-day-only deal here gives you the next-best price of this year with $140 saving