EcoFlow DELTA 3 Plus Specs and Solar Panel Compatibility
The EcoFlow DELTA 3 Plus has a 1,024 Wh LiFePO4 battery and 1,800 W rated AC output, and each of its solar inputs 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.
| Capacity | 1,024 Wh[1] |
|---|---|
| Battery chemistry | LiFePO4[1] |
| AC output | Yes[1] |
| AC rated output | 1,800 W[1] |
| AC surge output | 3,600 W[1] |
| Weight | 12.5 kg (27.6 lb)[1] |
| AC charging time (0–100%) | Not found in the manufacturer sources we checked |
Solar input
| Number of solar inputs | Not found in the manufacturer sources we checked (the values below are per input) |
|---|---|
| Minimum input voltage | 11 V[1] |
| Maximum input voltage | 60 V[1] |
| Maximum input current | 15 A[1] |
| Maximum panel Isc | 15 A[1] |
| Maximum input power | 500 W per input; 1,000 W combined across all inputs[1] |
| Input connector | Not found in the manufacturer sources we checked |
| If panel current exceeds the limit | Must not exceed (manufacturer)[1] |
Solar panels that connect
None of the 10 panels we checked could be confirmed to connect to the EcoFlow DELTA 3 Plus: 5 meet the electrical limits but the connector type is not confirmed, 1 is within the manufacturer's maximum input voltage but above our 90% cold-weather margin, and for 4, a required value was not found in the manufacturer sources we checked (manufacturer specs, checked 2026-09-27).
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 load | Estimated runtime |
|---|---|
| 50 W | 15.3 h – 17.4 h |
| 100 W | 7.6 h – 8.7 h |
| 300 W | 2.5 h – 2.9 h |
| 500 W | 1.5 h – 1.7 h |
| 1,000 W | 0.7 h – 0.8 h |
Loads above the AC rated output are not shown.
FAQ
- What is the battery capacity of the EcoFlow DELTA 3 Plus?
- 1,024 Wh (EcoFlow, checked 2026-09-26).
- How much does the EcoFlow DELTA 3 Plus weigh?
- 12.5 kg (27.6 lb) (EcoFlow, checked 2026-09-26).
- Which solar panels work with the EcoFlow DELTA 3 Plus?
- None of the 10 panels we checked could be confirmed to connect to the EcoFlow DELTA 3 Plus: 5 meet the electrical limits but the connector type is not confirmed, 1 is within the manufacturer's maximum input voltage but above our 90% cold-weather margin, and for 4, a required value was not found in the manufacturer sources we checked (manufacturer specs, checked 2026-09-27).
How we check compatibility and estimate runtime
Sources
- EcoFlow, EcoFlow DELTA 3 Plus User Manual (checked 2026-09-26)