Designed to provide optimized charging to low-power devices such as earphones, Bluetooth speakers, and other accessories. You’ll have noticed that we list the battery capacity in milliamp hours (mAh) throughout this roundup, and it’s worth using this as a guide to the charger size you’ll need. The bigger the number is, the more capacity it has. Of course, phones all have different batteries too. iPhone 14 / 14 Plus / 14 Pro / 14 Pro Max / iPhone 13 / 13 mini / 13 Pro / 13 Pro Max / iPhone 12 / 12 mini / 12 Pro / 12 Pro Max / 11 / 11 Pro / 11 Pro Max / SE (第2世代) / XS / XS Max / XR / X / 8 / 8 Plus 他

Product: Anker 347 Power Bank (PowerCore 40K)

What You Get: Anker 347 Power Bank (PowerCore 40K), USB-A to USB-C cable, 18-month stress-free warranty, and our friendly customer service. High Capacity Hero: The super huge 40,000mAh cell capacity provides 8.8 charges for iPhone 13, 6.8 charges for Samsung S22 Ultra, and 2.3 charges for MacBook Air 2020. High Capacity Hero: The enormous 40,000mAh battery capacity is large enough to keep devices powered for several days. This power bank can fully charge an iPhone 13 over 8 times, a Samsung Galaxy S22 Ultra over 6 times, and a 2020 MacBook Air over 2 times. That’s fast enough for certain laptops or a Nintendo Switch, but if you start charging more of your kit that 30W is going to get divided, making it not as fast when used heavily. If speed matters most, get Anker’s new 737 model or a full-on power station.

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Power banks are not sexy. Design-wise, they're roughly as interesting as TV remotes or tin openers. But you need one. You may need two. And you need them to be decent, or one of these days you're going to find yourself on one percent, beached, trying desperately to find a crumb of charge somewhere. Equipped with Negative Temperature Coefficient (NTC) sensors for precise temperature monitoring, overcharge protection, short-circuit protection, and a fireproof casing for safer charging. Stay protected while you charge thanks to Anker’s exclusive MultiProtect safety technology and Negative Temperature Coefficient (NTC) sensors for precise temperature monitoring Have you just got an Apple Watch and now dealing with the realisation that its battery needs more attention than you expected? In typical use, you’ll get about 18 hours out of the Apple Watch Series 7 or Series 8, and that means you’ll probably find it dying midway through the day if you aren’t keeping an eye on things. Congratulations on your new power bank! To ensure you get the most out of it, here's what you should do when you first buy one:

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The size of your power bank depends on your specific charging needs. For everyday electronics like smartphones, earbuds, or similar devices, a power bank with a capacity of around 10,000mAh might be perfect. However, if you plan to charge larger devices such as laptops or tablets, it's best to go for a power bank with a capacity of 20,000mAh or higher. Power for 4: Equipped with 2 USB-A and 2 USB-C ports, the portable charger is ideal for charging your laptop, phone, tablet, and earphones.

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For hybrid workers or those of you who insist on staying out on the balcony all weekend long, though? This is the mega charger you’re looking for. It’s worth noting that it maxes out at 30W speeds. This is self-explanatory, but some of these batteries get pretty boxy and chunky. The dimensions and mass matter, as we assume you’ll be bringing a portable charger with you for the day.