
If you’re lucky your phone can last a full day before you need to reach for a power cable. On the other hand, if you need to top off your phone while you travel—or if your phone is getting a little too old to last the day—a portable charger can keep you online.
Here, we’ve rounded up the best chargers for your needs.When picking a portable charger (sometimes called power banks), the main thing to consider is the capacity, measured in milliamp hours (mAh). Smaller portable chargers may have 3,000-5,000 mAh batteries, while larger power banks can have anywhere from 10-20,000 mAh reserves. The higher the mAh rating, the more times you can recharge your phone, and some bigger batteries can even recharge tablets or even some laptops.
Pay attention to that number when you’re picking the charger that’s best for you. If you have a specific gadget it mind that you want to charge on the go (like, say, your Nintendo Switch), it helps to know the gadget’s battery capacity so you have a rough idea how many times you can recharge the device. The Switch has a 4,310 mAh, so if you wanted to charge it twice you’d want a portable battery pack with at least 8,620 mAh (and then some, to play it safe).
With that in mind, let’s take a look at our top picks for difference scenarios.
The Discreet Power Bank For Your Everyday Recharge

It’s 7PM and you’re down to 20%. Normally you’d be home by now, but you’re out late and won’t be able to get to an outlet for a couple hours. You don’t need a massive brick to recharge, you just need a little bit of juice before you make it home.
If that sounds like your situation, Anker’s PowerCore+ mini ($20) is probably for you. This device is a hair larger than your average tube of lipstick and has a 3,350 mAh battery—which amounts to around one full charge for most phones. It’s small enough to fit…
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