While the Astro is our Top Pick, it isn’t perfect for every camper and backpacker. Otherwise you can just recharge it once you get home. This isn’t a huge issue unless you need to charge it constantly on your trip, such as when thru-hiking. Its max input charging speed of 1A leaves something to be desired though. Simply put, for most weekend warriors, the Astro is an affordable battery pack that gives you everything you need to keep your devices charged and nothing more. It holds enough juice to charge a smartphone around 1.5-2 times - a perfect amount for 2-4 days of limited phone use. Yet that is what makes it great for our purposes.Īt 4.3 oz, It is one of the smallest and lightest battery packs for its capacity. Most of the campers and backpackers we know are weekend warriors, and the Astro earned our Top Pick with them in mind.Īt 6700 mAh capacity (4,121 mAh based on our discharge test) and only one output port, the Astro is a rather minimalist battery pack when it comes down to it. Along with our reviews, we discuss who should get a battery pack with Qualcomm Quick Charge and important considerations when buying. We only tested five battery packs, yet our month of testing shed insight on the dozens of other options out there and who they’re right for. It weighs only a couple ounces more and has enough juice to fully charge a phone 2.5-3.5 times or a larger device like an iPad mini around one and a half times. Those going on longer trips or taking multiple devices should look at the Anker PowerCore II 10000. However, for some campers and backpackers the Astro won’t be enough. Anker markets it as “candy-bar sized” which isn’t too far off. It’s also the smallest battery pack we tested. It packs enough power to charge a phone one and a half to two times and weighs a mere 4.3 oz.
#BEST USB BACKUP BATTERY PORTABLE#
While basic models use any USB plug, if you go for a battery with a USB-C PD output – so you can use it with a laptop – you might want to consider also getting a USB-C PD wall charger, which when used with a USB-C to USB-C cable drastically reduces the time it takes to refuel the battery itself.After poring over dozens of spec sheets, performing discharge tests, and using five lightweight power packs for over a month, we think the Anker Astro E1 6700 is the best portable battery pack for most campers and backpackers, particularly weekend warriors.
However, if you intend to go on a long weekend away camping (or you want to use it with a laptop or camera), opt for something about 20,000 mAh or more.ĭon’t forget about how the battery itself is recharged. A decent choice for an all-rounder is about 10,000 mAh so you can refuel a smartphone twice over. For a quick top-up during a day out you want something small and portable, but don’t go much lower than 5,000 mAh, which will put about an 80% charge into most smartphones (about 800mAh of the battery’s energy is actually used to transfer power to a device). Power banks are always a trade-off between weight and capacity. So what is mAh? It’s short for milliamp hours and it tells you how much charge a battery can hold.
#BEST USB BACKUP BATTERY PRO#
How big is your smartphone’s battery? The latest iPhone 13 Pro Max has 4,352 mAh while the Samsung Galaxy S22 Ultra is 5,000 mAh.
#BEST USB BACKUP BATTERY HOW TO#
How to choose the best power bankĮxactly what you need depends on how you intend to use a power bank, and crucially, what with. You do get a couple of charging points, USB-A and USB-C, for charging two devices at once, and – like the Mophie PowerStation above – it has an appealing fabric finish too. Of course with that extra capacity comes extra size, and you can't really slide this into your pocket. It's easily one of the best portable chargers around in 2019. With a high capacity of 19,500mAh and the ability to charge up bigger devices – as in laptop-sized big – with its 30W of charging power, there's a lot to like about the PowerStation USB-C XXL.
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