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10 Best Slim Portable Battery Chargers for Phones



These are the best slim portable battery chargers for your phone, tablet, MacBook, and more in 2019. A little accessory you can carry everywhere and quickly recharge your phone on the go.

And while we’ve recommended countless excellent portable battery packs in the past, not everyone wants to carry a bulky brick in their pocket or backpack. Which is why we found some of the absolute slimmest portable phone battery chargers around.

Below, you’ll find chargers for under $12 that are slim enough to fit in your wallet. Or, spend a little more for one with enough juice to recharge the latest Galaxy S10 and iPhone, or even keep your Nintendo Switch going with USB-C power delivery.

A portable battery charger is exactly what the name suggests. A battery pack similar to what’s inside your phone, only with multiple USB ports so you can charge your cell phone and other devices on the go without sitting next to a wall outlet.

These battery packs come in several different speeds, battery sizes, and shapes, so knowing which one to buy is important. Certain models are thin but slow, while others offer fast charging technology and enough output power to charge a Macbook. The Moshi 10K is slim, fast, and has power delivery, it does it all.

A lot of accessory brands make portable battery chargers for phones, but sometimes you just want to carry something slim and lightweight. If so, Anker, Moshi, Tronsmart, and Belkin are some of our favorites. Plus, there are countless other excellent options worth buying in our slideshow below.

Anker PowerCore II Slim 10,000 mAh

Anker PowerCore II Slim 10,000 mAh

Anker is America's leading USB charging brand, and they offer portable battery packs in all different shapes and sizes. 

The new Anker PowerCore II Slim is one of the best options on the market. You're getting 10,000 mAh (enough to recharge your Galaxy S9 or iPhone X three times) in an extremely slim package all for around $35. That way you're never left without a phone or stressing that you'll run out of battery. 

This portable battery pack is roughly the size of a phone, so it's already something you're used to carrying around. Plus, it'll slide into a shirt pocket, purse, or backpack with ease. 

It'll universally charge your iPhone, Android, or Samsung Galaxy at the fastest speed possible thanks to PowerIQ and 18w Quick Charge technology inside. You get a full-size USB port, a small USB-C port, and 4 LED lights so you know how much juice is left. 

Buy it Now for $35 on Amazon

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