HELIOS 3600 › runs › Sump Pump (1/3 HP)

Can a Growatt HELIOS 3600 run a sump pump (1/3 hp)?

Yes — the Growatt HELIOS 3600 runs a sump pump (1/3 hp).
The sump pump (1/3 hp) draws about 800 W running, with a 1,500 W startup surge; the HELIOS 3600 delivers 3,600 W continuous and 4,500 W surge. Its 3,686 Wh battery runs one for about 21 h.

800 WSump Pump (1/3 HP) running

3,600 WHELIOS 3600 continuous

~21 hruntime

3,686 WhHELIOS 3600 capacity

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The check
Continuous: 3,600 W ≥ 800 W needed → ok
Surge: 4,500 W ≥ 1,500 W needed → ok
Runtime: 3,686 Wh × 90% ÷ 160 W avg = ~21 h

Bigger units that run it longer

Goal Zero Yeti 700

677 Wh · 1,000 W cont

768 Wh · 1,000 W cont

~4.3 h

Anker SOLIX C800

768 Wh · 1,200 W cont

~4.3 h

Bluetti Pioneer Na

900 Wh · 1,500 W cont

~5.1 h

Goal Zero Yeti 1000X

983 Wh · 1,500 W cont

~5.5 h

Goal Zero Yeti 1000 Core

983 Wh · 1,200 W cont

~5.5 h

EcoFlow DELTA 2

1,024 Wh · 1,800 W cont

~5.8 h

EcoFlow DELTA 3 Plus

1,024 Wh · 1,800 W cont

~5.8 h

Common questions

Can the Growatt HELIOS 3600 run a sump pump (1/3 hp)?

Yes. A sump pump (1/3 hp) draws about 800 W with a 1,500 W startup surge, and the Growatt HELIOS 3600 delivers 3,600 W continuously with a 4,500 W surge rating — comfortably enough. On its 3,686 Wh battery it runs one for roughly 21 h (the load cycles ~20% of the time, so it lasts longer than raw watts suggest).

Sources: Sump Pump (1/3 HP) wattage — Standard appliance-wattage / generator-sizing charts (representative values; verify your nameplate); HELIOS 3600 specs — manufacturer published specifications (compiled 2026-10-05; 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.