PowerFitsize it right · don't overpay

DELTA 2 Max › runs › Well Pump (1/2 HP)

Can an EcoFlow DELTA 2 Max run a well pump (1/2 hp)?

Yes — the EcoFlow DELTA 2 Max runs a well pump (1/2 hp).
The well pump (1/2 hp) draws about 1,000 W running, with a 2,100 W startup surge; the DELTA 2 Max delivers 2,400 W continuous and 3,400 W surge. Its 2,048 Wh battery runs one for about 12 h.
1,000 WWell Pump (1/2 HP) running
2,400 WDELTA 2 Max continuous
~12 hruntime
2,048 WhDELTA 2 Max capacity
🔗 Brand-direct affiliate link. It will earn a commission once the program is approved — at no extra cost to you.
The check
Continuous: 2,400 W ≥ 1,000 W needed → ok
Surge: 3,400 W ≥ 2,100 W needed → ok
Runtime: 2,048 Wh × 90% ÷ 150 W avg = ~12 h

Bigger units that run it longer

Goal Zero Yeti 1000 Core
983 Wh · 1,200 W cont
~5.9 h
EcoFlow DELTA 2
1,024 Wh · 1,800 W cont
~6.1 h
Anker SOLIX C1000
1,056 Wh · 1,800 W cont
~6.3 h
Jackery Explorer 1000 v2
1,070 Wh · 1,500 W cont
~6.4 h
Bluetti AC180
1,152 Wh · 1,800 W cont
~6.9 h
Jackery Explorer 1000 Plus
1,264 Wh · 2,000 W cont
~7.6 h
Goal Zero Yeti 1500X
1,516 Wh · 2,000 W cont
~9.1 h
Jackery Explorer 2000 Plus
2,042 Wh · 3,000 W cont
~12 h
Bluetti AC200L
2,048 Wh · 2,400 W cont
~12 h

Common questions

Can the EcoFlow DELTA 2 Max run a well pump (1/2 hp)?

Yes. A well pump (1/2 hp) draws about 1,000 W with a 2,100 W startup surge, and the EcoFlow DELTA 2 Max delivers 2,400 W continuously with a 3,400 W surge rating — comfortably enough. On its 2,048 Wh battery it runs one for roughly 12 h (the load cycles ~15% of the time, so it lasts longer than raw watts suggest).

Sources: Well Pump (1/2 HP) wattage — Standard appliance-wattage / generator-sizing charts (representative values; verify your nameplate); DELTA 2 Max specs — manufacturer published specifications (compiled 2026-06-15; approximate). Informational only — a computed sizing estimate from published appliance-wattage charts and manufacturer station specs. It is not an electrical guarantee. For hardwired or whole-home backup, transfer switches, or any permanent install, consult a licensed electrician.