EcoFlow DELTA Pro Ultra Battery Pack

Upgrade your energy storage capacity seamlessly with the EcoFlow DELTA Pro Ultra Battery Expansion. Designed to complement the DELTA Pro Ultra Inverter, this expansion pack empowers you to take control of your energy needs like never before.

EXTEND YOUR POWER RESERVES
Experience a one-month backup capability by adding an extra 6kWh to your DELTA Pro Ultra system. With a base two-day backup and the ability to scale up to 90kWh, you can now enjoy an unparalleled level of energy independence.

EFFORTLESS EXPANSION
Maximize your space and enhance your power potential by stacking the system neatly. The EcoFlow DELTA Pro Ultra Battery Expansion ensures a mess-free arrangement, allowing you to expand your power capacity without sacrificing valuable space.

RAPID SETUP
Say goodbye to complex installations. The one-minute setup design of the DELTA Pro Ultra Battery Expansion ensures a hassle-free experience. Simply plug in and play, bringing additional power to your fingertips in no time.

*NOTE: For customers who choose to enhance their DELTA Pro Ultra system with three or more battery packs, our customer service team is ready to assist you. Contact us to claim your EcoFlow Fixing Metal Tab, a crucial accessory for securely stacking your battery packs and ensuring a stable and reliable power setup.

Product Brochure

Free Curbside Delivery
All orders include free curbside delivery via FedEx Ground, FedEx Freight, or the most trusted carrier available. Please note that delivery is to the curbside only - be sure to arrange for assistance if needed, as the carrier will not bring items inside your home.

Tracking & Delivery Scheduling
In most cases, you will receive tracking details 3-5 business days after you place your order. When the tracking number is sent, please allow 1-2 business days for the tracking number to populate details.

See our full Shipping Policy here.

Returns must be requested within 30 days of your delivery date. We are unable to process returns submitted after this period. Products must be unused, uninstalled, and in their original packaging, including the box and pallet, to qualify for a return.

Please note, a minimum 15% restocking fee and return shipping fee will be applied to all approved returns.

See our full Return Policy here.