Best USB Battery Packs for 2024 🔋

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Overall Best: Anker PowerCore Slim 10000 PD

Anker Portable Charger, USB-C PortableCharger 10000mAh with 20W Power Delivery, 523 Power Bank (PowerCore Slim 10K PD) for iPhone 14/13/12 Series, S10, Pixel 4 and More (Black)

The Anker PowerCore Slim 10000 PD earns the top spot in our list for its exceptional balance of capacity, portability, and versatility. Boasting a 10,000mAh battery, this power bank can recharge most smartphones at least twice, making it an ideal companion for daily use. It's equipped with both USB-C (20W PD) and USB-A ports, which means it can handle a variety of devices beyond just phones. Compact and lightweight at just 8.8 oz, it easily slips into a bag or pocket. While the build might not feel as rugged as some other models, the combination of its large battery capacity, sleek design, and reasonable price point makes it our top choice for 2024.

Lowest at Amazon

$25.99 at Amazon

Lowest at any Popular Retailer

$19.66 at Shop.com

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Still curious about the Anker 523 Power Bank? Here are some answers you might find interesting:

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Does the Anker PowerCore Slim 10K PD work with USB-C to Lightning cables for iPhones?

Yep, the Anker PowerCore Slim 10K PD works with [USB-C to Lightning cables](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DUSB-C%2Bto%2BLightning%2Bcables%26tag%3Dssw.ans.tx-1-20) for iPhones. The manufacturer mentions it has a USB-C port supporting 20W Power Delivery, which means you can fast charge your iPhone when you use it with a USB-C to Lightning cable. You'll need to grab your own cable, though, since the power bank doesn't come with any. From what we've found, this power bank is pretty flexible and works well with [iPhones](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DiPhones%26tag%3Dssw.ans.tx-1-20), like [models 14](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DiPhone%2B14%26tag%3Dssw.ans.tx-1-20), [13](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DiPhone%2B13%26tag%3Dssw.ans.tx-1-20), and [12](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DiPhone%2B12%26tag%3Dssw.ans.tx-1-20). Just a heads up, make sure you've got a good quality cable, as some reported issues come from snug cable fits, especially with older devices. It's also essential to check that your cable is up to the task before heading out, to make sure everything runs smoothly. If you’ve got the right setup, the 20W Power Delivery can really help speed things up, which is super handy for busy days or when you're traveling. In short, the Anker PowerCore Slim 10K PD is a handy little gadget to keep your electronics charged; just keep that cable situation sorted, and you should be golden!

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How long does it take to fully charge the Anker PowerCore Slim 10K PD?

If you're using a wall charger that supports Power Delivery (PD), charging the Anker PowerCore Slim 10K PD typically takes about 4.5 hours. Just keep in mind that the charging time can vary based on the charger's specs. Using a standard USB charger might extend the charging time compared to a PD-compatible one. By the way, this power bank doesn't come with built-in cables, which allows you to use your own cables depending on the devices you have. But don't worry—Anker does include a USB-A to USB-C cable and a USB-C to USB-C cable in the package. If you're using an iPhone, though, you'll need to snag a [USB-C to Lightning cable](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DUSB-C%2Bto%2BLightning%2Bcable%26tag%3Dssw.ans.tx-1-20) separately to fully utilize the rapid charging abilities of this power bank. From what we found in our research, it's pretty normal for portable chargers not to have built-in cables since it keeps them quite flexible. You can use it with different gadgets without any hassle, as you're just swapping out to the cables your devices need. Plus, skipping the built-in cables makes the charger more compact, which is super handy for traveling or just carrying around each day. So, as long as you've got the right cables and a PD-compatible charger, you should have the Anker PowerCore Slim 10K PD fully charged and ready to juice up your gadgets in about 4.5 hours.

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How many times can the Anker PowerCore Slim 10K PD charge an iPhone?

Hey! So if you're wondering how many times the Anker PowerCore Slim 10K PD can charge an iPhone, our research shows it's pretty handy. With a capacity of 10,000mAh, it can generally juice up an iPhone about 2 to 3 times on a single charge. Now, that can vary a bit depending on which iPhone model you're using and how much battery your phone has left when you start charging. For example, an [iPhone 12](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DiPhone%2B12%26tag%3Dssw.ans.tx-1-20) has around a 2,815mAh battery, so you're looking at roughly 2.5 charges from the power bank. On the other hand, an [iPhone 14](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DiPhone%2B14%26tag%3Dssw.ans.tx-1-20), with a slightly larger battery, might get about 2 full charges. These are just estimates though, and factors like your phone's settings and battery condition can shift things a bit. A cool feature to note is that it can do "pass-through charging." This means you can charge your iPhone while the power bank itself is plugged in and charging. It's got a 20W Power Delivery USB-C port, which makes it pretty good for quickly charging newer iPhones and other devices like [Samsung's S10](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DSamsung%27s%2BS10%26tag%3Dssw.ans.tx-1-20) or the [Google Pixel 4](https://www.shopsavvy.com/redirect?url=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DGoogle%2BPixel%2B4%26tag%3Dssw.ans.tx-1-20). However, our research does mention a few isolated cases where folks have reported some issues with the ports not always working perfectly, which could affect the pass-through charging feature over time. So, if you plan to use it a lot while traveling or during power outages, just keep an eye on how it's performing. Overall, if pass-through charging is something you see yourself using, it might be worth dealing with those occasional glitches since it still does a solid job of keeping your iPhone charged up throughout the day.

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Runner-up: Mophie Powerstation Plus 10K

Coming in as the runner-up is the Mophie Powerstation Plus 10K. This power bank excels with its built-in Lightning and USB-C cables, eliminating the need to carry extra cables. With a 10,000mAh capacity and 20W fast charging capabilities, it's perfect for those constantly on the move. It can swiftly charge an iPhone or other USB-C devices, ensuring you're never left without power. Its compact size and integrated cables make it incredibly user-friendly and highly portable, making it an excellent choice for frequent travelers and busy professionals.

Lowest at any Popular Retailer

$79.99 at Amazon

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Budget Pick: Otterbox Fast Charge 10K Power Bank

OtterBox Fast Charge Power Bank 10,000 mAh for Apple, Samsung and more - Black

For those looking for a budget-friendly option, the Otterbox Fast Charge 10K Power Bank is a fantastic pick. With a 10,000mAh capacity, this power bank can charge multiple devices multiple times. It features both USB-C and USB-A ports with an 18W output, allowing for quick charging. The included USB-A to USB-C charger adds to its versatility, making it suitable for a variety of devices. Despite its lower price tag, it maintains a solid build quality and reliable performance, making it our best budget choice for 2024.

Available at Amazon

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Best for Emergencies: Eton American Red Cross Clipray

When it comes to emergency situations, the Eton American Red Cross Clipray is a must-have. This hand-crank charger ensures that you can generate power even during a blackout or when you’re off the grid. While it's not designed to fully recharge a tablet or smartphone, it provides just enough power to make critical phone calls or send text messages. Additionally, it comes with a built-in LED flashlight and a carabiner clip, making it perfect for emergency kits or outdoor adventures. It's a reliable companion that ensures you're never completely without power in dire situations.

Lowest at any Popular Retailer

$14.00 at Amazon

Best for Laptops: Goal Zero Sherpa 100PD 25.6K Power Bank

Goal Zero Sherpa 100PD Wireless Portable Power Bank 100W USB-C Power Delivery 25600mAh (4th Generation) Sherpa 100 PD

If you need a power bank for your laptop, look no further than the Goal Zero Sherpa 100PD 25.6K. This power bank packs a massive 25,600mAh capacity and delivers up to 100W of fast-charging through its USB-C port, making it more than capable of handling laptops. It also features a 15W wireless charging pad, adding flexibility to your charging needs. While it is bulkier compared to smaller power banks, its extensive capacity and versatile charging options are perfect for those who require a reliable power source for extended periods away from outlets. It's an excellent investment for professionals and travelers alike.

Lowest at any Popular Retailer

$199.95 at Amazon

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Best USB Battery Packs for 2024