What that means is any power bank that is 5,000mAh or smaller will probably not guarantee 100% charge on an iPhone 15. My iPhone 7 Plus (with less than 30% charge) gained a good 10% charge in 14 minutes on the iMuto Powerbank, while the iMuto only decreased by 2%. If you need more power on your weekend away, you might need to do something about your screen usage. There are plenty of combination power bank and some other device, but the Tylt Bottle 2 actually makes sense because we're usually carrying an insulated water bottle anyway, so we might as well screw a battery onto the bottom.

Our favorite power bank has a 10,000mAh battery, and the Samsung Galaxy S23 Ultra has a 5,000mAh battery, so the math should be simple, right?With that said, the display can burn into power capacity, so that’s a bit of a negative side effect. We have tested the best power banks by using them to charge a variety of devices, including Apple iPhone, Google Pixel, and Samsung Galaxy phones. We've only included wired power banks on this list that can charge at newer speeds, though wireless charging is more about convenience than speed, so some of our wireless power bank favorites are still a bit slow on the charge. Nothing special about the build, with it being made out of plastic, it’s solid but don’t drop it since it’s heavy. You need power for your phone: The 3,000mAh battery inside is plenty to keep your Apple Watch going, but that isn't enough power to get you even halfway charged on an iPhone 15, and even less on bigger phones.

Taurus X4 technical details model: Taurus X4 Power bank battery Type: Li-ion battery Capacity: 20000mAh/74Wh Input: Micro USB 5V/2. You need fast power: This is a very slow charger, whether wired or wireless, so it's better for casual charging while you sip your water and read a book. The power capacity does a good job with staying near its Initial power capacity and just losing a few thousand, but it can still provide plenty of charges to smartphones and just a few charges to tablets.With 10,000mAh of power inside, the Baseus Airpow can charge an iPhone 15 once to 100% then once again to nearly full. Charging speed is measured in wattage, and the iPhone 15 can charge just a bit faster than 15W, while the Galaxy S23 Ultra can charge up to 45W. The Anker Prime series of Power Banks, including the Anker Prime 27,650mAh Power Bank (250W) and the Anker Prime 20,000mAh Power Bank (200W), are for people who truly love to geek out on power banks. If you plan on charging a laptop occasionally as well, or many devices at once, you'll want something with more power and more features. The black and gold look makes it look very elegant and the display of the remaining charge in digital luminous numbers is also rarely seen on power banks.

Tablets are going to charge fully but fewer times with tablets like the iPad Mini 2 and 4; but they’re going to manage about 1. The display on our best battery for power users is bright and sharp OLED display, totally unnecessary for a power bank, but that's what makes Anker the best.

While the iPad Pro always mercilessly "emptied" all my other power banks and still didn't get full, the iMuto offers enough capacity to make power guzzlers like an iPad happy without being completely drained themselves.