500Wh–999Wh Portable Power Stations

Yes, a 500Wh power station runs a typical 50W CPAP for more than 8 hours, which covers one night. A 512Wh station delivers about 435Wh after inverter losses. Using the heated humidifier raises the draw and shortens runtime, so check your machine's rating. For two nights between charges, choose a station near the top of this range, such as the 960Wh Pecron F1000LFP, which runs the same CPAP for about 16 hours.

Yes, for part of a day, if its output covers the compressor's start-up surge. A typical refrigerator runs at about 150W, uses about 1,200Wh a day and needs up to about 1,200W for a moment when it starts. The 960Wh Pecron F1000LFP delivers about 816Wh, which keeps that fridge going for roughly 16 hours. Choose a 1,000W or 1,500W model such as the BLUETTI AC70P, BLUETTI Pioneer Na or Pecron F1000LFP, and check its surge rating.

A sodium-ion power station stores energy in sodium-ion cells instead of lithium cells, and its main advantage is cold-weather performance. The BLUETTI Pioneer Na in this collection holds 900Wh and delivers 1,500W. BLUETTI says it charges at temperatures down to 5°F (-15°C), runs down to -13°F (-25°C) and still delivers 80% of its capacity at -13°F. That makes it a fit for winter camping, ice fishing, cold job sites and winter outages.

Choose a 500Wh station if you mainly run electronics, lights and a CPAP for one night, and a 1,000Wh station if you want to run a refrigerator or go two nights between charges. A 500Wh station delivers about 425Wh of usable energy and a 1,000Wh station about 850Wh. Larger stations usually weigh more and cost more, so size for your longest trip or outage rather than every possible load.

A 200W solar panel is a good match for a 500Wh power station, refilling a 512Wh battery in about 3.5 hours of strong sun. Panels usually deliver about 75% of their rating in real conditions. Check the station's solar input limit, which ranges from 100W on the Pecron E500LFP to 350W on the BLUETTI Handsfree 2 Backpack and 500W to 600W on the BLUETTI AC70P, BLUETTI Pioneer Na and Pecron F1000LFP. A larger station takes longer to fill with the same panel.