EcoFlow DELTA 3 Max Specs and Solar Panel Compatibility

The EcoFlow DELTA 3 Max has a 2,048 Wh LiFePO4 battery and 2,400 W rated AC output, and its XT60i solar input accepts 11–60 V (EcoFlow, checked 2026-09-26).

Specs on this page were checked against manufacturer sources between and . Content last changed on .

Where to buy

Check price at EcoFlow (official US store)
We do not earn a commission from this link. Link checked 2026-10-12.

Specifications

Values are taken from manufacturer sources for the US version of each product. Each value links to its source and the date we checked it.

Capacity2,048 Wh[1]
Battery chemistryLiFePO4[1]
AC outputYes[1]
AC rated output2,400 W[1]
AC surge output4,800 W[2]
Weight20.3 kg (44.8 lb)[1]
AC charging time (0–100%)Not found in the manufacturer sources we checked

Solar input

Minimum input voltage11 V[1]
Maximum input voltage60 V[1]
Maximum input current13 A[1]
Maximum panel Isc13 A[1]
Maximum input power500 W[1]
Input connectorXT60i[1]
If panel current exceeds the limitMust not exceed (manufacturer)[1]

Solar panels that connect

The EcoFlow DELTA 3 Max connects to the EcoFlow 60W Portable Solar Panel (Type-C) with the included XT60i cable, up to 2 panels in series (manufacturer specs, checked 2026-09-27).

PanelResultHow it connectsPanels in series
EcoFlow 60W Portable Solar Panel (Type-C)Needs a cablewith the included XT60i cableUp to 2 panels in series

See all 10 panels we checked, with the reason for each result

Estimated runtime

Estimated runtime = capacity × usable fraction ÷ average load. We assume a usable fraction of 0.75–0.85 to allow for conversion losses; this is an assumption, not a measured value.

Average loadEstimated runtime
50 W30.7 h – 34.8 h
100 W15.3 h – 17.4 h
300 W5.1 h – 5.8 h
500 W3 h – 3.4 h
1,000 W1.5 h – 1.7 h

Loads above the AC rated output are not shown.

FAQ

What is the battery capacity of the EcoFlow DELTA 3 Max?
2,048 Wh (EcoFlow, checked 2026-09-26).
How much does the EcoFlow DELTA 3 Max weigh?
20.3 kg (44.8 lb) (EcoFlow, checked 2026-09-26).
Which solar panels work with the EcoFlow DELTA 3 Max?
The EcoFlow DELTA 3 Max connects to the EcoFlow 60W Portable Solar Panel (Type-C) with the included XT60i cable, up to 2 panels in series (manufacturer specs, checked 2026-09-27).

How we check compatibility and estimate runtime

Sources

  1. EcoFlow, EcoFlow DELTA 3 Max Portable Power Station User Manual (checked 2026-09-26)
  2. EcoFlow, EcoFlow DELTA 3 Max Portable Power Station (2048Wh) (checked 2026-09-26)