Head-to-head comparison

EcoFlow vs Jackery: Delta 3 Plus vs Explorer 1000 v2

The two current 1kWh-class flagships, compared on price per usable watt-hour, switchover speed, solar ceiling, and what each one is actually for.

Charles McQuain
Charles McQuain · Engineer

Published July 21, 2026 · Updated September 18, 2026

EcoFlow Delta 3 Plus

EcoFlow Delta 3 Plus

Check price at Amazon
Winner
Jackery Explorer 1000 v2

Jackery Explorer 1000 v2

Check price at Outbound Power
Spec comparison
EcoFlow Delta 3 PlusJackery Explorer 1000 v2
Price (2026-09-18)$719 (list $799) — pre-order, ships November$489 at Outbound ($559 at Jackery)
Rated capacity1,024Wh1,070Wh
Usable (est. 85%)~870Wh~910Wh
$ per rated Wh$0.70$0.46
AC output1,800W (3,600W surge)1,500W (3,000W surge)
AC outlets63
UPS switchoverunder 10ms20ms
Full AC recharge56 min1.58 h (1 h emergency mode)
Max solar input1,000W400W
USB-C2× 140W1× 100W, 1× 30W
ExpandableYes — to 5kWhNo
Weight27.6 lb23.8 lb
Cycle life4,000 to 80%4,000 to 70%+
Warranty5 years3+2 years (via jackery.com)

Verdict — Jackery Explorer 1000 v2 wins

At today's prices the Jackery Explorer 1000 v2 wins for the storm-prep buyer by a wider margin than in July: $230 less for more watt-hours, and a fridge never notices the slower switchover. The Delta 3 Plus is still the better-engineered box, and still the right buy if it will live under your desk as a UPS or feed off serious solar — but EcoFlow now lists the base unit as a November pre-order, which rules it out as storm prep this season.

This is the comparison most people search by brand, so let's be precise about which boxes are actually on the shelf in 2026: EcoFlow's 1kWh-class unit is now the Delta 3 Plus (the Delta 2 is gone from the US store), and Jackery's is the Explorer 1000 v2. Both are LiFePO4, both are current, and they are priced $230 apart today — up from $190 in July, because the EcoFlow went up $30 and the Jackery came down $10 at the cheapest retailer that stocks it. That gap is where the math starts.

The value math

Divide price by rated capacity and the gap is stark: $0.46 per watt-hour for the Jackery against $0.70 for the EcoFlow. The Jackery also simply holds more energy — 1,070Wh rated (~910 usable) against 1,024Wh (~870 usable). For the core storm-prep job — keep the fridge, the CPAP, and the router alive overnight — both deliver the same ~11–12 hours on our 77W household trio estimate, and the Jackery does it for less money in a lighter box.

The caveat the ledger makes visible: the Jackery's edge is partly a sale. Both units list at $799; at list price the value argument collapses to a coin flip and the EcoFlow's hardware advantages take over.

What the extra $230 actually buys

The Delta 3 Plus is the better machine on almost every spec that isn't capacity or price: twice the AC outlets (6 vs 3), an under-10ms transfer that makes it a legitimate UPS for a desktop or NAS, a 56-minute full recharge, 140W USB-C ports that fast-charge laptops, a 1,000W solar ceiling, and an expansion port that takes it to 5kWh later. The Jackery answers with none of that — its pitch is maximum stored energy per dollar in the lightest package, full stop.

Who should buy which

Buy the Explorer 1000 v2 if this battery's job is to sit charged in a closet and come out when ERCOT has a bad week. Capacity per dollar is the only stat that matters for that job, and it wins that stat outright today.

Buy the Delta 3 Plus if the unit will work between outages — as a UPS under a desk, as the hub of a small solar setup, or as the first block of a system you plan to expand. Those are real jobs the Jackery structurally can't do, and $230 is still a defensible price for them. One caveat that outranks the math this month: EcoFlow's store lists the base Delta 3 Plus as a pre-order shipping in November, so if you are buying for this hurricane season, it is not a candidate at any price.

Frequently asked

Is EcoFlow's Delta 2 still worth comparing against Jackery?
No — EcoFlow no longer sells the Delta 2 standalone on its US store; the Delta 3 Plus is its current 1kWh-class unit. Comparisons still pitting the Delta 2 against current Jackery models are comparing against a discontinued product.
Does the 10ms vs 20ms switchover difference matter?
For a refrigerator, CPAP, or router: no — both ride through a sub-second gap far larger than either switchover. It matters for a desktop PC or NAS, where the under-10ms Delta 3 Plus behaves like a true UPS and is the safer choice.
Which charges faster from solar?
The Delta 3 Plus by a wide margin: it accepts up to 1,000W of panel input against the Explorer 1000 v2's 400W ceiling. With enough panel, the EcoFlow refills in roughly an hour of good sun; the Jackery needs the better part of a sunny day.

Sources

  1. 01

    EcoFlow Delta 3 Plus: $719 (list $799), up from $689 on 2026-07-21, with the base unit listed as 'Pre-order | Ships in November'; 1,024Wh, 1,800W/3,600W surge, under-10ms UPS, 56-minute full recharge, 1,000W max solar, expandable to 5kWh, 2× 140W USB-C, 12.5kg, 4,000 cycles to 80%, 5-year warranty

    https://us.ecoflow.com/products/delta-3-plus-portable-power-station
    checked 2026-09-18
  2. 02

    Jackery Explorer 1000 v2: $559 on Jackery's own store, up from $499 on 2026-07-21, and $489 at Outbound Power; 1,070Wh, 1,500W/3,000W surge, 20ms switchover, 1.58h AC recharge with 1-hour emergency mode, 400W max solar, not expandable, 23.8 lb, 4,000 cycles to 70%+, 3+2-year warranty

    https://www.jackery.com/products/jackery-explorer-1000-v2
    checked 2026-09-18
  3. 03

    Jackery Explorer 1000 v2 at Outbound Power: $489, the cheapest source for the unit; Outbound no longer carries the Delta 3 Plus at all, listing only the Delta 3 Classic and Delta 3

    https://outboundpower.com/products/jackery-explorer-1000-v2-portable-power-station-1070wh-1500w-400w-solar-input
    checked 2026-09-18
  4. 04

    EcoFlow's US store no longer lists the Delta 2 as a standalone product; the Delta 2 spec page remains published under its marketing site

    https://www.ecoflow.com/us/delta-2-portable-power-station
    checked 2026-07-21