EcoFlow DELTA 3 Max Plus: what it runs and for how long

On a full charge it runs a refrigerator for about 26 h and a chest freezer for about 2.2 days.

Who is the EcoFlow DELTA 3 Max Plus a good fit for?

The EcoFlow DELTA 3 Max Plus meets every requirement for 7 of the 12 uses we filter for.

• ✓Keeping a fridge running in an outage
• ✓Home backup
• ✓RVs
• ✓UPS use with computers and routers
• ✓Fast solar charging
• ✓Running a window AC for several hours
• ✓Starting a 120 V well or sump pump
• ✕Van life · needs weight ≤ 45 lb; the EcoFlow DELTA 3 Max Plus has 48.7 lb
• ✕Carrying a CPAP on trips (light enough to pack) · needs weight ≤ 20 lb; the EcoFlow DELTA 3 Max Plus has 48.7 lb
• ✕Balcony solar and apartments · needs weight ≤ 40 lb; the EcoFlow DELTA 3 Max Plus has 48.7 lb
• ✕A LiFePO4 station under $500 · needs list price ≤ $500; the EcoFlow DELTA 3 Max Plus has $1,599

Can you add batteries to the EcoFlow DELTA 3 Max Plus?

Yes. EcoFlow lists the EcoFlow DELTA 3 Max Plus as expandable with extra batteries, up to 10,000 Wh in total, so you can grow it for longer outages instead of replacing it.

Can the EcoFlow DELTA 3 Max Plus work as a UPS?

EcoFlow lists a switchover time of 10 ms for the EcoFlow DELTA 3 Max Plus, inside the 20 ms gap that the ITI (CBEMA) reference says typical computer equipment should ride through.

How fast does the EcoFlow DELTA 3 Max Plus recharge?

From a wall outlet it charges at up to 1,800 W; EcoFlow doesn't publish a full-charge time. From solar it needs about 2.7 hours of strong sun at its 1,000 W solar limit, with panels delivering 75% of their rating.

What are the EcoFlow DELTA 3 Max Plus's full specifications?

These figures come from EcoFlow's official US page, checked 2026-10-12. "Not published" marks specs EcoFlow doesn't publish.

How does the EcoFlow DELTA 3 Max Plus rank against other 2,000–2,999 Wh power stations?

Among the 10 current 2,000–2,999 Wh models, the EcoFlow DELTA 3 Max Plus is in the top third for capacity, AC output, surge, solar input, AC charging speed and UPS switchover and in the bottom third for Wh per list dollar.

How long does the EcoFlow DELTA 3 Max Plus last at different loads?

About 1,741 Wh reaches the AC outlets, so a steady 100 W load runs for about 17 h and a load at its full 3,000 W rating for about 35 minutes.

How many hours of sun does the EcoFlow DELTA 3 Max Plus need to refill?

With panels delivering 75% of their rating (our calculator's default), the EcoFlow DELTA 3 Max Plus needs the hours of strong sun below. Its 1,000 W solar limit caps the charge rate, so panels beyond about 1,333 W add nothing in strong sun.

What can the EcoFlow DELTA 3 Max Plus run at the same time?

The EcoFlow DELTA 3 Max Plus can carry 10 of the 10 common pairs we check at once, with the runtimes below.

Which EcoFlow DELTA 3 Max Plus specs are unpublished or conditional?

EcoFlow doesn't publish these specs for the EcoFlow DELTA 3 Max Plus: rated cycles.

4 published figures come with conditions, shown under the spec table: AC charge time, AC output, expanded capacity and rated cycles.

How does the EcoFlow DELTA 3 Max Plus compare with similar power stations?

By capacity, the nearest models from other brands are Anker SOLIX C2000 Gen 2, DJI Power 2000 and Jackery HomePower 2000 Plus v2.

How is the EcoFlow DELTA 3 Max Plus different from the EcoFlow DELTA 3 Max?

The EcoFlow DELTA 3 Max is the closest EcoFlow model. Pick the EcoFlow DELTA 3 Max Plus if you want ac output, surge and solar input; otherwise the EcoFlow DELTA 3 Max gives you the opposite trade-off.

Which models from other brands are closest in size?

Anker SOLIX C2000 Gen 2

2,048 Wh

2,400 W AC · 41.7 lb · $1,499.99DJI Power 2000

2,048 Wh

3,000 W AC · 48.5 lb · $1,899Jackery HomePower 2000 Plus v2

2,048 Wh

2,400 W AC · 41.4 lb · $1,199

Which other EcoFlow models are similar?