What size portable power station do you need?

Pick the things you want to run and how many hours a day. The tool adds up the watt-hours from each appliance maker's own figures and shows which power stations cover it, cheapest per watt-hour first.

Your appliances

h/day 42 W avg, up to 100 W, 1300 W start
h/day 5 W
h/day 56 W avg, up to 73 W
h/day 30 W
charges/day 15 Wh per charge

Battery size you need, rated capacity

2,647Wh

2,170 Whused in a day
208 Won AC at once
1,408 WAC at start-up

Counts 82% of a battery's rated capacity as usable and adds the inverter's own draw while anything runs on AC: the formula in Jackery's runtime calculator. How the maths works

Which models fit

    If you buy through a link on this page, Amazon or the brand's store may pay us a commission. It does not change the price you pay, and it does not change which model the maths picks. As an Amazon Associate we earn from qualifying purchases. More about how the site is paid for.

    Start from what you want to power

    UseStarting listBattery needed
    What size power station you need for a power outageRefrigerator, top freezer (21 cu ft), Wi-Fi router (mesh, eero 6+), LED light bulb (60 W equivalent)2,077 Wh
    Portable power station for camping: what size you need12V portable fridge, ~36 L (Dometic CFX3 35), Smartphone (Samsung Galaxy S25), LED lantern (Goal Zero Lighthouse 600)417 Wh
    What size power station you need for a refrigeratorRefrigerator, 27 cu ft with ice maker, Wi-Fi router (mesh, eero 6+), LED light bulb (60 W equivalent)1,965 Wh
    What size power station you need for a CPAPCPAP machine (ResMed AirSense 11), Smartphone (Samsung Galaxy S25), LED light bulb (60 W equivalent)703 Wh
    What size power station runs a gas furnace in an outageGas furnace blower, 80,000 BTU (heating mode), Wi-Fi router (mesh, eero 6+), LED light bulb (60 W equivalent)4,589 Wh
    Which portable power stations can run a sump pumpSump pump, 1/2 HP, Wi-Fi router (mesh, eero 6+), LED light bulb (60 W equivalent)1,218 Wh
    What size power station you need for StarlinkStarlink Standard kit (V4), Laptop (Windows ultrabook), Smartphone (Samsung Galaxy S25)1,210 Wh
    Portable power station for an RV: what size you needRV 12V compressor fridge, 19.6 cu ft French door, RV propane furnace blower (12 V), 20,000 BTU, RV 12V fresh water pump, 3 GPM2,593 Wh
    Portable power station for a TV55-inch 4K TV, Wi-Fi router (mesh, eero 6+), LED light bulb (60 W equivalent)749 Wh
    Portable power station for charging an e-bikeE-bike battery (Aventon Level.3 commuter), Smartphone (Samsung Galaxy S25), LED lantern (Goal Zero Lighthouse 600)1,046 Wh

    Lowest price per watt-hour today

    Battery capacity is what you pay for, so price divided by rated watt-hours is the fairest single number. Prices from the brands' stores and Amazon on Oct 28, 2026. The full index.

    ModelCapacityLowest pricePer Wh
    FOSSiBOT F24002,048 Wh$579$0.28/Wh
    DJI Power 20002,048 Wh$749.99$0.37/Wh
    Dabbsson DBS2300 Plus2,330 Wh$899$0.39/Wh
    FOSSiBOT F18001,024 Wh$399$0.39/Wh
    BLUETTI Elite 100 mini1,004.8 Wh$429$0.43/Wh
    BLUETTI AC1801,152 Wh$499$0.43/Wh

    By size

    Under 700 Wh

    Phones, laptops, lights, a fan, a CPAP for a night or two.

    2,600 Wh and up

    Outage backup for a fridge, furnace blower and sump pump, with room to add batteries.

    Brand against brand