Portable Power Station Numbers That Matter

Two numbers decide whether a portable power station suits you, and they answer different questions. Watt-hours tell you how long it can run something; output watts tell you whether it can run that thing at all. A pack can be generous on one and useless on the other, and listings lead with whichever figure flatters the model. This guide reads capacity, output, surge, chemistry, cycle life and recharge claims on three makers' own product pages: the EcoFlow DELTA 3 Plus, the Anker SOLIX C1000 and the Jackery Explorer 1000 v2, checked October 10, 2026. Jackery's US page for that model returned a 404 response, so its figures come from the Canadian store page and the currency is noted.

Watt-hours answer how long, watts answer whether at all

The three units sit within five percent of each other on stored energy. EcoFlow lists "1024Wh Capacity", Anker lists "1056Wh" and Jackery lists "1070 Wh Capacity".

They diverge on output. EcoFlow and Anker both list 1800 W of continuous AC output, Anker specifying "1800W Pure Sine Wave". Jackery lists "1500 W Output", a 300 W gap that decides whether a microwave or a kettle starts at all.

Capacity sets duration, and the arithmetic is simple but optimistic. By editorial calculation, 1024 Wh feeding a steady 1,000 W load is about one hour. None of the three pages publishes an inverter efficiency figure, so treat every hours claim as a ceiling rather than a schedule.

The reading rule: check your largest appliance against the watts row first, because a pack that cannot start it is not a smaller version of a pack that can. Only then compare watt-hours between models that pass that test.

Surge is a separate row and the makers measure it differently

EcoFlow publishes the clearest version: "1800W AC output, 2200W (surge 3600W) with X-Boost". That is three figures in one line, a continuous rating, a boosted rating and a momentary one, each for a different kind of load.

Anker publishes two: 1800 W continuous and "2400W" surge. The gap between the two makers' surge figures is 1,200 W, which is the difference between starting a compressor motor and tripping the inverter.

Jackery's page read publishes neither. What it lists is "3kV Surge Protection", which is a voltage spike protection rating measured in kilovolts, not a momentary power capability measured in watts. The two are unrelated.

The reading rule: a surge figure in volts is not a surge figure in watts. If a listing gives only the volts version, the momentary rating is unpublished and worth asking about before you buy for a fridge or a pump.

Chemistry and cycle life are the longevity row

Anker is the only one of the three to publish both. Its page states "LiFePO4 (Lithium Iron Phosphate)" chemistry and a cycle life of "3,000 (80% Capacity)", meaning 3,000 full charge cycles before capacity falls to 80 percent of new.

EcoFlow's page read publishes neither figure. Jackery's page read publishes neither. Both makers discuss chemistry elsewhere in their marketing, but a figure that is not on the product page is not a specification you can hold them to.

The number is easier to judge once converted. By editorial arithmetic, 3,000 cycles at one full cycle a day is over eight years; at one cycle a week it outlasts any warranty term any of these makers offers.

Cycle life therefore matters more for daily solar use than for a pack kept charged for outages. For an emergency unit, the warranty term is the figure to weigh.

Recharge time is three numbers, not one

EcoFlow publishes the input wattage alongside the time: "1500W AC Input, Full Charge in 56 Minutes", plus a "1000W MPPT" solar input with a "full charge in 70 minutes". It also lists "5 fast recharging methods (AC, Solar, 800W Alternator Charger, Smart Generator 3000 (Dual Fuel), Multicharging)".

Anker publishes inputs and a split time: "1,300W Max" AC, "600W Max, 11-60V MPPT" solar, and "80% battery capacity in just 43 minutes and a full charge in under an hour". The 80 percent figure is the honest one, because the last stretch always slows.

Jackery publishes the time without the input: "Emergency Super Charging Capability from 0% to 100% in Just 1 Hour". Without an input wattage, that claim cannot be reproduced or compared against the other two.

The ceiling is your wall socket. By editorial arithmetic, a 15-amp 120-volt household circuit supplies about 1,800 W at most before derating, so a 1,500 W input claim is realistic and anything far above it needs a dedicated circuit.

Weight, ports and noise decide whether you use it

Anker is again the most complete. It lists "28.44 lb / 12.9 kg", "6x" AC outlets, "2x 12W" USB-A and "1x 100W, 1x 30W" USB-C. Those are the figures that decide whether the unit leaves the house.

EcoFlow's page read lists no weight and no full port count, but it does publish two figures the others omit: "30 dB Ultra-quiet Operation" and "<10 ms UPS" switchover, the second of which matters if a desktop computer is plugged in behind it.

Jackery's page read lists "USB-A/C Ports, up to 100W Dual PD Charging" and no weight at all. A battery pack sold on portability that does not publish its mass has left out the specification its own category name implies.

A complete power station spec sheet states all of the following:

• Capacity in watt-hours, and usable capacity if different
• Continuous AC output in watts, and surge output in watts with its duration
• Cell chemistry, and cycle life with the capacity threshold it is measured to
• AC and solar input wattage, plus charge time to 80 percent and to full
• Weight in pounds or kilograms, and the full port list with per-port wattage
• Noise in decibels, and UPS switchover time if the unit claims UPS behaviour
• Warranty term in years, and whether any part of it depends on where you buy

Warranty and price are published unevenly

EcoFlow lists a "5-year warranty" and a price of "USD $719", reduced from "$799". Anker lists a "5-Year Warranty" but showed no price at all on the page read, displaying only "Price Loading" on October 10, 2026.

Jackery splits the term and attaches a condition: "3-Year Warranty + 2-Year Extended Warranty (automatically applied if purchased from our official website)". Three years is the base; five years requires buying direct.

That is the same transaction-dependent warranty pattern documented in what appliance warranty pages leave out, where a GE appliance carries one year or two depending on the retailer.

Prices on the Canadian store read "$649" from "$1,099" in Canadian dollars, and the US product URL for the same model returned a 404 response. Compare base prices in one currency, and never compare a sale price against a regular one.

Frequently asked questions

What is the difference between watt-hours and watts?

Watt-hours measure stored energy and set how long the unit runs. Watts measure instantaneous output and set what you can plug in. The EcoFlow DELTA 3 Plus lists 1024Wh of capacity and 1800W of AC output, two unrelated limits that both have to clear your appliance.

How long will a 1,000 Wh power station run a fridge?

Nobody can say from the spec sheet alone. By editorial arithmetic, 1024 Wh feeding a steady 1,000 W load is about one hour, but fridges cycle and none of the three pages read publishes an inverter efficiency figure, so treat quoted hours as ceilings.

Does a higher surge rating matter?

It matters for motors and compressors. Anker lists 2400W surge against EcoFlow's 3600W with X-Boost, a 1,200 W gap. Jackery's page lists only "3kV Surge Protection", which is spike protection in volts and not a power rating at all.

What does 3,000 cycles at 80 percent mean?

It means the pack should still hold 80 percent of its original capacity after 3,000 full charge cycles. Anker publishes that figure for the SOLIX C1000, which by editorial arithmetic is over eight years at one cycle a day. EcoFlow and Jackery publish no cycle figure.

Can I charge a power station from a normal wall socket at full speed?

Up to a point. A 15-amp 120-volt circuit supplies roughly 1,800 W before derating, by editorial arithmetic, so EcoFlow's 1500W AC input is achievable. Anker's 1,300W input is comfortably inside that limit.

Bottom line

A power station listing is complete when it states watt-hours, continuous watts, surge watts, chemistry, cycle life, both input wattages, weight, the port list, noise and the warranty condition. Anker publishes the most of those ten; Jackery's page read publishes the fewest.

Clear your largest load on the watts row, then compare watt-hours, then read the cycle and warranty rows as the longevity story. Price a year of electricity against the batteries using what energy labels say about running cost.

The pattern of selective publication runs through every category covered here, from monitor specs and robot vacuum suction claims to air purifier spec sheets and wireless headphone spec sheets.