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Home Backup Power Guides
These guides help you work out what a portable power station can carry in a home outage, using watts, watt-hours and arithmetic you can repeat. Each page is dated and says where its figures come from. Start with the overview of the best portable power station for home backup if you are new here.
Pick a unit
Grid Doctor 3300 review
the 2,048Wh unit, its price, ports, charging and limits.
Grid Doctor 300 review
the 320Wh unit and the small loads it suits.
Grid Doctor 3300 vs 300
the two side by side, with the math on capacity and price.
Best solar generator for home backup
how to choose by output, capacity and solar input.
Size it
How many watts to run a house
essential loads versus the loads a plug-in unit cannot carry.
Best for a power outage
a priority list and a three-day energy budget.
Run it
Power station for a refrigerator
runtime math and the start-up surge to check.
Power station for CPAP
finding your machine's watts and what to ask your clinician.
Power station vs generator
fumes, noise, fuel and runtime compared by category.
Understand it
LiFePO4 power stations
what the battery chemistry means for weight, cycles and care.
How long they last
hours per charge and years per battery.
EMP claims explained
what an intercept claim does and does not show.
Figures were read from the seller's pages on 2026-11-04. When the seller changes a price or spec, we update the affected pages and add a row to that page's update history.