Best Portable Power Stations for Home Backup (2026): Specs Compared
Five home-backup power stations compared on capacity, 240V output, surge, solar input and expansion, from official specs. Who each one is for.
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Sizing math, head-to-head comparisons, buyer guides, and reviews.
EcoFlow DELTA Pro Ultra vs Tesla Powerwall 3: Which Should You Buy?
DELTA Pro Ultra vs Powerwall 3: capacity (DC vs AC), power, surge, solar input, install and warranty, compared from official spec sheets.
Read guide →How Many kWh of Battery Do You Need for Whole-Home Backup? (Worked Examples)
Size a home battery from your real loads: daily kWh, days of backup, inverter loss and surge. Three worked house examples, step by step.
Read guide →Power Station for a 240V Well Pump: Surge Sizing and Which Models Can Do It
Most deep-well pumps run on 240V and need a big startup surge. Here's how to size a power station for one, and which models have 240V output.
Read guide →How Long Will a Power Station Run a Refrigerator? Outage Runtime Math
Turn your fridge's EnergyGuide kWh/year into hours of backup. Step-by-step runtime math for popular power stations, with margins for real life.
Read guide →CPAP Runtime on a Power Station: DC vs AC, and How Many Nights You Get
How many nights will a power station run a CPAP? Step-by-step math using ResMed's published power figures, plus why DC can beat AC.
Read guide →Sump Pump Runtime on a Power Station: Duty-Cycle Math That Actually Works
How long will a power station run your sump pump in a storm? Step-by-step duty-cycle math, startup surge checks, and idle-draw traps.
Read guide →Can a Power Station Run a Gas Furnace Blower? Watts, Startup and Runtime Math
A gas furnace still needs electricity for its blower, inducer and controls. Here's how to size a power station for it and connect it safely.
Read guide →How to Size Solar Panels for a Portable Power Station (Series vs Parallel Explained)
Match panels to your power station's voltage, current and watt limits. Series vs parallel, cold Voc math, and worked examples for homeowners.
Read guide →How Many Solar Panels in Series? Cold-Weather Voc Math for 5 Popular Power Stations
Max panels in series for DELTA Pro Ultra X, DELTA Pro 3, BLUETTI AC500, Anker F3800 and Jackery 5000 Plus, with cold-temperature Voc tables.
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