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Why should you buy a portable power bank?

Whether you need to charge your phone, tablet, or laptop, these portable power banks will help keep you connected wherever your travels take you.

Which power bank should I buy?

The Nimble Champ is our top recommendation for most folks, but we have all sorts of alternatives here. Read our Best MagSafe Power Banks guide for Apple-specific portable chargers, and our Best Portable Power Stations guide if you need more power. Updated June 2025: We've added power banks from Redmagic and Statik, and added a new FAQ.

Do I need a power bank?

If you are charging a small smartphone, a simple power bank will suffice. If you plan on charging a laptop occasionally as well, or many devices at once, you'll want a power bank with more power and more features.

What is a power bank & how does it work?

An integrated metal stand provides support for the power bank so you can use your phone in Standby mode while it's charging. The power bank's most distinctive feature is its smart display, which uses emoji faces to indicate battery levels. These animated expressions can easily be disabled if you're not in the mood.

Do you have a power bank for your iPhone?

We've got power banks for power users that give you detailed information about the devices you're charging, or simple magnetic power banks that smile while your iPhone charges. You can find power banks large and small, premium and inexpensive. We've even got a power bank that doubles as a water bottle - with wireless charging, of course.

How efficient is a power bank?

Power banks are about 60-70% efficient, depending on the phone's technology, so in our tests this power bank could charge an iPhone 15 to nearly full, but that big Ultra only got about 65% charge. That's just fine, because this power bank was the perfect pocket companion to keep us going through a busy day.

How much power can a portable power station 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. 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.

How long does a portable power station last?

A portable power station's lifespan depends on the type of battery inside. Most new portable power stations, including all the models we recommend here, feature LiFePO4 battery technology, which lasts far longer than older lithium-ion technology. How much more? LiFePo4 power stations will last for more than 3,000 charge cycles, or about 10 years.

Why should you buy a portable power station?

Bring big backup power with you with these expert-recommended portable power stations, which can store enough power to charge electronics, appliances, and more.

What are the best portable power stations?

To help you decide, I tested the efficiency, in a variety of scenarios, of the best portable power stations from Jackery, Oupes, EcoFlow, Anker, Goal Zero, Grecell, Bluetti, Dakota Lithium, Lion Energy, Vtoman, and Oupes. ↓ Jump to the Rest of the Field ↓ What to Know Before Purchasing a Portable Power Station

What accessories do you need for a portable power station?

One of the most common accessories is going to be a cord to connect to similar power stations in series, often times doubling your power output. Some portable power stations have a light bar built into the housing, which is useful for seeing at night. Anker's Solix C300 also includes a pop-up camping light.

Can a portable power station be used as an uninterruptible power supply?

Yes, a portable power station can be used as an uninterruptible power supply. Many portable power stations come with UPS features, like automatic switchover when power loss is detected.

Are there electric car chargers for plugging into a 5-20 outlet?

Yes, OEM chargers like these are offered by Tesla. Based on the maximum home outlet power (120 volts) of 20 amps, the charger can only consume 80%,...