Costco Members: 2-Pack EcoFlow DELTA 3 Series 1024Wh Smart Extra Battery $620 + Free Shipping

Costco Next has Ecoflow Delta 3 Extra Battery 2 pack on sale promo price down to $619.99! Note each D3 EB is 1kWh and each requires EXTRA BATTERY connection port. Plug and Play additional storage capacity. Increase the capacity of DELTA 3 Plus/DELTA 3 with two extra 1024Wh. Please note that only one DELTA 3 Series Smart Extra Battery can be connected to the power station at a time. Get 10 years of daily use until it hits 80% of its original capacity. Embrace 3000+ charging cycles enabled by the LFP battery chemistry.