In short
The Jackery Explorer 5000 Plus comes out ahead on 3 of six outage scenarios; the EcoFlow DELTA Pro 3 wins 1. The real difference is what they can start: electric water heater, 50 gal (Explorer 5000 Plus only), central ac, 2 ton (Explorer 5000 Plus only), heat pump (Explorer 5000 Plus only).
We may earn a commission if you buy through links on this page, at no extra cost to you. It never changes a result. Specs from each maker, prices checked October 28, 2026; we haven't tested these units.
EcoFlow
4 kWh with 120/240 V; grows to 12 kWh per unit. EcoFlow's Smart Generator can top it up on long outages.
† reported by retailers or reviews, not yet confirmed on EcoFlow's spec sheet.
$2,799list $3,299 · out of stock when checked, October 28, 2026
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Jackery
The strongest starting power we list (14.4 kW): central AC and well pumps start where smaller units trip. Grows to about 30 kWh with five Battery Pack 5000 Plus; solar figure is the low-voltage input.
$3,149unit alone, without panels or extra battery, October 28, 2026
Check priceEach starts at 6 p.m., battery only. Extra batteries are added when the maker sells them and the outage needs them.
| Scenario | DELTA Pro 3 | Explorer 5000 Plus | Better pick |
|---|---|---|---|
| Fridge, Wi-Fi & lights24 h | 24 h+ | 24 h+ | Tie |
| Storm night + sump pump48 h | 2.0 days+ (+2 batt.) | 2.0 days+ (+1 batt.) | Explorer 5000 Plus |
| CPAP + fridge24 h | 24 h+ | 24 h+ | Tie |
| Rural: well pump & freezer72 h | 2.7 days (+2 batt.) | 3.0 days+ (+2 batt.) | Explorer 5000 Plus |
| Winter: gas furnace72 h | 21 h (+2 batt.) | 2.2 days (+5 batt.) | DELTA Pro 3 |
| Hurricane week168 h | Not enough continuous output | 22 h (+5 batt.) | Explorer 5000 Plus |
| Spec | EcoFlow DELTA Pro 3 | Jackery Explorer 5000 Plus |
|---|---|---|
| Battery | 4.1 kWh LFP | 5.0 kWh LFP |
| Expandable to | 12 kWh | 30 kWh |
| Continuous output | 4.0 kW | 7.2 kW |
| Start-up surge | 8.0 kW | 14 kW |
| 240 V | Yes | Yes |
| Solar input | 2.6 kW | 1.2 kW |
| Weight | 113.5 lb | 134.5 lb |
| Warranty | 5 years | 5 years |
| Panel connection | Smart Home Panel 2 (installed) | Jackery Smart Transfer Switch |
| Price | $2,799 | $3,149 |
Appliances only one of them can start on its own: Electric water heater, 50 gal (Explorer 5000 Plus), Central AC, 2 ton (Explorer 5000 Plus), Heat pump (Explorer 5000 Plus), Electric dryer (Explorer 5000 Plus).
The Jackery Explorer 5000 Plus comes out ahead on 3 of six outage scenarios; the EcoFlow DELTA Pro 3 wins 1. Scenario by scenario results are in the table on this page; they come from published specs, not hands-on tests.
The EcoFlow DELTA Pro 3 can, for about 3.4 days on one charge. The Jackery Explorer 5000 Plus can, for about 4.2 days on one charge.