Best Budget Power Station: 4 Ranked by $ per Watt-Hour

On this site a budget power station isn't simply the cheapest box with a battery in it. It's the cheapest box that still does the two jobs that matter in an outage: start a refrigerator's compressor, and keep a fridge, a CPAP and a router alive through one night. In October 2026 that's the 1kWh class, at $450 to $500. Below that price, read the $300 question in the FAQ before you buy. Every price here was checked on October 7, 2026, during Amazon's October Prime-sale discounts and Anker's two-day "Fall Prime Deals" window. So the table shows two prices for each unit and says which one to trust.

The ranked math, in one table

"Regular" is the lowest price at a store that isn't running a dated event. "Sale low" is the best price anywhere on October 7. Cost per watt-hour uses the regular price. Usable Wh applies the same 85% inverter loss we use everywhere on this site, because spec sheets quote the battery but you live off the inverter. The fridge load is 42Wh per hour. The fridge, CPAP and router trio averages 77W. The pillar roundup explains both.

Runtimes are computed from manufacturer capacity specs and typical appliance draws. They're estimates, deliberately conservative, and the formula is on our methodology page so you can rerun any of them yourself.

Why the cheapest watt-hour isn't the top pick

On sale-day prices, this page would rank itself differently every afternoon. So we rank on the regular price. On that basis the AC180 and the Explorer 1000 v2 are within a cent per watt-hour of each other ($0.433 against $0.438), and the tie breaks on two things.

The first is how stable the price is. The AC180's $499 is the same at every check we've logged since July, through two hurricane-season promotions that moved nearly every other price on this site. The Jackery has been $449, $489 and now $469 at Outbound in that time, and $499, $559 and now $499 on Jackery's own store. A budget recommendation should still be right next week.

The second is headroom. The AC180 has 82 more watt-hours and 300 more watts of continuous output. That's nearly two extra hours of fridge, plus margin on a compressor startup.

The Jackery's case is weight. At 23.8 lb against 35.3 it's a different object to live with. If your closet is up a flight of stairs, buy the Jackery and don't look back.

Which of today's prices are real

Anker's are dated. Both Anker units sit under a "Fall Prime Deals" banner on Anker's store, dated October 6 to 7 with a 48-hour countdown. Amazon matches them at $469.99 and $849.99. Outbound Power isn't part of the event and still charges $499.99 for the C1000 Gen 2. Treat $499.99 as the C1000's real price and anything below it as a bonus.

Bluetti's other unit shows how far one sale can swing a price. The Elite 200 v2 led our refrigerator roundup at $849 in September. Bluetti has since put it back to $1,199 on its own store, which is $0.58 per watt-hour and not a budget anything. On Amazon today it's $798.99, which is $0.39 per watt-hour for 2,073.6Wh. It isn't ranked here because a ranking that depends on one day's price isn't a ranking. If you're reading this on October 7, it's the best deal in this category. Our full review covers what you'd be buying.

The budget case for spending $850

Cost per watt-hour has a blind spot: it rewards whatever is smallest and cheapest. Ask a different question, how much each hour of fridge backup costs, and the order flips. At $849.99 the C2000 Gen 2 works out to about $20.51 per fridge-hour. The AC180 is about $21.40, the Jackery about $21.66 and the C1000 about $24.13.

The reason is the fixed cost of the box. You pay for one inverter, one case and one set of ports either way, and the 2kWh unit spreads that cost across twice the battery. That lead depends on today's sale. At September's $899.99 the C2000 is about $21.71 per fridge-hour, in the middle of the pack. Even then, if your outages are the multi-day kind, the 2kWh class isn't the premium option. It costs about the same per hour, and you get twice as many hours.

Two caveats keep it fourth. It's $350 more up front, which is what a budget actually limits. And independent bench testing measured its idle draw at about 18W with the AC outlets on standby, double Anker's advertised 9W. Over a day that's roughly 430Wh, about a fifth of the battery. Switch the AC side off when nothing is plugged in.

What $500 doesn't buy

A 1kWh unit is a 12-hour bridge, not a two-day plan. It gets a fridge, a CPAP and a router through one night, or a fridge alone through most of a day. Anything with a heating element or a big compressor (a window AC, a space heater, a well pump) multiplies the load several times over. That's 2kWh-and-up territory at best and transfer-switch territory at worst.

If your load list is different from ours, the division works the same way. Our wattage calculator guide runs it appliance by appliance against your own numbers.

One footnote on battery life, because budget buyers keep their units longest. Anker rates both of its units for 4,000 cycles to 80% capacity and Bluetti rates the AC180 for 3,500-plus. Jackery's 4,000-cycle figure is counted to 70%. That's a lower bar, so the cycle counts aren't directly comparable. For a battery that sees a few dozen outages a year, all four will outlive the reason you bought them.