Which outdoor power supply with large capacity has the best cost performance

If power and battery capacity are what you are after, the Delta Pro is the ultimate large-form power station. If you are searching for a compact portable power station for on-the-go activities, the Jackery Explorer 300 is our recommendation. This unit is ideal for charging phones and laptops or running small appliances like lights and fans.

The Jackery 2000 Plus is the best power station for those who need ample power. While it is pricey at over $2,000 list price, it has plenty of power, charges impressively fast, and won't let you down in case of an emergency. If your main need is charging devices like phones and laptops, our favorite is the Anker 521.

Portable power stations are more powerful and cost effective than ever before. And, thanks to advances in lithium-ion battery technology, they're also lighter and more compact. Whether you've been dreaming of van life or are building out your emergency kit in advance of that next blackout, there is a power station that will meet your needs.

While a particular power station might claim to hold 1,000 watt hours, the actual amount of usable power you can get out of it is a different story. The best portable power stations also have an onboard computer that shows you how much energy is left in your unit, as well as how much power it's currently using.

Whatever the reason you are purchasing a power station, the most important spec to pay attention to is watt hours, which is a measurement of how much energy the power station can hold. While a particular power station might claim to hold 1,000 watt hours, the actual amount of usable power you can get out of it is a different story.

While all power stations are intended to provide a power source, each model differs in their overall design and included features. Some models have an intuitive mobile app to fully control your power station wirelessly. Others may offer expandable battery capacity, and some are advertised as being used as an uninterruptible power supply.