Overview

The DELTA Pro 3 Smart Extra Battery plugs into an EcoFlow DELTA Pro 3 to add 4,096Wh of capacity with no setup. A DELTA Pro 3 system expands up to 48kWh.

It uses automotive-grade LFP cells rated for 4,000 cycles to 80% capacity, and the stackable design suits home and indoor backup.

Who it’s for

DELTA Pro 3 owners who want longer backup.
Homes preparing for multi-day outages.
Off-grid and RV setups.

Key benefits

4,096Wh: add capacity in one step.
Plug and play: no setup.
Long life: 4,000 cycles to 80% capacity.
Stackable: neat storage at home.

Specifications

Capacity	4,096Wh
Chemistry	LFP, 4,000 cycles to 80%
Compatible with	EcoFlow DELTA Pro 3
DELTA Pro 3 system	Expandable to 48kWh
Weight	72.75 lb (manufacturer figure)

FAQ

Does it work with the original DELTA Pro?

No. It’s made for the DELTA Pro 3.

Do I need to set it up?

No. It’s plug-and-play.

Warranty

Manufacturer’s warranty: 5 years. Source: EcoFlow warranty policy.

Defective on arrival or within 30 days? You can also return it to us under our Returns & Refunds Policy. See how warranty claims work.

EcoFlow DELTA Pro 3 Accessories

EcoFlow DELTA Pro 3 4096Wh Smart Extra Battery