Ebay offers Refurbished EcoFlow Delta Pro 3,600Wh Power Station for $15.09 (reg $2899) after code with free shipping.

Apply Code: LABORDAYOFF

Product Description:
Introducing the world's first portable home battery with an expandable ecosystem for home backup, smart energy management, lower energy bills, and more. The EcoFlow DELTA Pro is the next leap in portable power technology, offering you power security and independence, wherever you are.

• Expandable Capacity
• Power Pretty Much Anything (3600W-7200W Output)
• World's Fastest Charging (MultiCharge 6500W)
• Home Integration