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The library
29 articles, newest research first.
USE CASE
Three Jackery Explorers, sized against real CPAP draw with the arithmetic shown. The humidifier decides which one you need — and it's the reason the Explorer 300 Plus is a travel unit, not a backup unit.
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BEST OF
Five compact power stations from 245 to 288 Wh, compared on the spec that actually separates them — inverter output. Capacity in this class is nearly identical; what the unit will and won't run is not.
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HOW TO
Yes for a window unit, conditionally for an RV rooftop, and never for central air. The BTU-to-watts conversion, the startup surge that decides it, and runtime worked out per model.
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HOW TO
A CPAP draws 10–15 W on DC and 60–90 W with the heated humidifier running — a six-fold difference that decides what size battery you need. Every figure here is worked out rather than asserted.
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COMPARISON
The two default sub-300 Wh picks, split by recharge speed and price rather than capacity. One takes an hour to fill and costs $239; the other takes two hours, costs $299, and carries 32 Wh more.
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BEST OF
You don't need panels to run a household through an outage — you need a recharge plan. What a battery covers without solar, how to refill it mid-outage, and the point at which no-solar backup stops working.
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COMPARISON
The four brands most American buyers shortlist, compared at identical capacity on the seven specs that actually differ. Each one wins something, and the thing it wins tells you who it's for.
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USE CASE
A CPAP needs a pure sine wave inverter, and roughly 300 W of it — but the size question matters far less than the waveform question. What each one means, and why every unit we list already passes.
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COMPARISON
Same 2,048 Wh, $200 apart, built for different lives: the DELTA 2 Max is the mover — 50 lbs, 78-minute recharge, 4,800 W surge — while the AC200L is the stay-put value with more solar, more expansion, and a 30A outlet.
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COMPARISON
Same 1,024 Wh, same 1,800 W inverter, $300 apart at list. We compare the DELTA 2 and DELTA 3 spec by spec — recharge, surge, cycle life, expansion — and name the one situation where the older unit still wins.
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COMPARISON
The two default 1 kWh picks, $999 MSRP each, split by philosophy: EcoFlow's fast-charging expandable platform against Jackery's lighter, simpler box. The specs decide it cleaner than the marketing does.
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COMPARISON
The two expansion platforms serious home backup comes down to: Jackery's 2 kWh base that grows to 12 kWh versus EcoFlow's 3.6 kWh monolith that reaches 25. Price per stored watt-hour, surge, solar, and growth strategy, computed.
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BEST OF
Match a battery to your actual outage profile — blip, overnight, or multi-day — with the load math written out, a plug-in priority list, and the recharge strategies that stretch one battery across a long outage.
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BEST OF
A home backup battery is either a portable power station you plug in today or an installed wall system with a transfer switch. We size both against a real essentials load and pick the units that earn the job.
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BEST OF
A power-focused hurricane checklist keyed to the real timeline — season start, the 48-hour watch, the 36-hour warning, the outage itself, and the days after — with the watt-hour math for each stage.
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COMPARISON
Battery or gasoline is really a question about your outages. We compare runtime, output, noise, safety, fuel logistics, and ten-year cost — and give decision rules instead of a winner.
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HOW TO
The outage-specific fridge math: how many watt-hours a day of fridge duty costs, how long each battery class lasts with no recharge, how the USDA food-safety clock changes the plan, and the duty-cycle trick that stretches one battery across days.
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HOW TO
Fridges cycle on and off, which is why brand runtime claims are useless. Here's how to work out your own number from the label on your fridge — and which capacity class it puts you in.
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BEST OF
The right camping power station depends on what you run and for how long. We size four picks by real watt-hour math — from weekend tent trips to a week of boondocking.
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BEST OF
Our top picks across every capacity class, with the price-per-watt-hour math shown. Sized by use case — from weekend camping batteries to whole-home backup units.
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USE CASE
How to size and choose a battery that reliably runs your CPAP overnight — at a campsite or through a power outage — including the humidifier math nobody tells you about.
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COMPARISON
A spec-by-spec comparison of the two dominant power station brands — recharge speed, weight, expandability, price per watt-hour — and clear rules for which one fits your use case.
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HOW TO
Use our watt-hour worksheet to find your capacity target — add up your devices, pick your days off-grid, and get a number before you look at a single product.
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BEST OF
RV loads are bigger than camping loads and the air conditioner changes everything. We size four picks against real boondocking consumption, and explain what a 30A hookup actually needs.
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BEST OF
A solar generator is a power station plus panels. We size four picks by real solar recovery — not rated wattage — so you know how many days off-grid you can actually run.
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BEST OF
Home backup needs days, not hours. We work out what a real essentials load costs per day, which capacity class covers it, and where a portable unit stops being the answer.
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COMPARISON
These are the two cheapest brands per watt-hour in our database. EcoFlow wins on speed and expansion, Bluetti on capacity per dollar at 2 kWh — here's where each one lands.
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COMPARISON
These two land within $0.02 per watt-hour of each other, so price doesn't decide it. Weight and solar input do — and they point in opposite directions.
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COMPARISON
Bluetti undercuts Jackery on price per watt-hour at every capacity we track; Jackery answers with weight and inverter headroom. Here's which trade fits which use case.
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