Guides
One question per page, answered with the math and the units that fit. Every number comes from the same data as the finder.
One device, one answer
- Can a power station run a refrigerator?A full-size fridge uses about 1,080 Wh a day. See which power stations run it overnight, for a day, or for two, with the surge rating that matters.
- Which power station will run a CPAP all night?A CPAP uses about 320 Wh per night without the humidifier and more than double that with it. The exact units that cover one night, three nights, or a week.
- How long will a power station run an oxygen concentrator?A home oxygen concentrator draws around 300 W around the clock, which drains even a 4 kWh battery in about 12 hours. What actually works for a long outage.
- What size power station runs a sump pump?A 1/3 HP sump pump needs a 2,000 W surge and uses about 1,000 Wh on a wet day. Which units handle the startup jolt and how long they last.
- Can a power station run my gas furnace?A gas furnace only needs electricity for its blower, about 400 to 500 W. How to connect it safely, and which units carry it through a cold night.
- Can a power station run a space heater?A 1,500 W space heater empties a 1 kWh battery in about 35 minutes. What a power station can actually do for heat, and the 100 W alternative that lasts all night.
- Can a power station run a window air conditioner?A 5,000 BTU window AC draws about 450 W and surges to 1,500 W. Which units run it, for how many hours, and why inverter models change the answer.
- How long will a power station keep my Wi-Fi up?A router and modem draw about 15 W, so even a small power station keeps the internet running for a day or more. Which sizes make sense and why the 1 kWh class is the surprise value.
- Do I need a power station just to keep phones charged?For phones alone, a $40 power bank beats any power station. When a small power station starts to make sense, and the three cheapest ones worth buying.
Planning for an outage
- What size power station do I need for a two-day outage?Fridge, Wi-Fi, phones, lights and a CPAP for 48 hours comes to about 2,980 Wh with the fridge cycled. The sizes that cover it and how to stretch a smaller one.
- What power station setup gets a household through a hurricane?Hurricane outages run three days to two weeks. Why the answer is a 2 to 3 kWh unit plus solar rather than the biggest battery, and what to buy before the season.
- Power station or gas generator for home backup?Battery power stations are silent, indoor-safe and maintenance-free; gas generators are cheaper per watt and run as long as you have fuel. A plain comparison and when to own both.
Choosing between units
- LiFePO4 or lithium-ion: which power station battery should I buy?LiFePO4 batteries last 3,000 to 6,000 cycles against about 800 for older NMC cells, and they are safer. What that means in dollars, weight and years.
- Which power station brand should I buy?The five brands worth buying compared on warranty, app, expandability, value per kWh and who each one suits, with a 1 kWh model from each.
- The best 1 kWh power station: DELTA 3 vs Explorer 1000 v2 vs Elite 100 V2 vs C1000 Gen 2The four best-selling 1 kWh power stations compared spec by spec: output, surge, weight, cycles, expandability and price, with a clear pick for each kind of buyer.