To test charging times and claims, we charged a Samsung Galaxy S23 Ultra and an Apple iPhone 15 to determine how many charges each battery offers these devices. We chose a common smaller battery phone as well as our best phone overall for this purpose. You can buy the Tylt Bottle with just a power bank attached, but our review sample from AT&T had the full wireless charging treatment. It's easy to set up a phone to charge while studying, working out, or working away from home: all places we take a water bottle and need a full phone battery. The next question is how you want to charge your device. You can find a power bank that charges your phone (or even your Apple Watch) wirelessly. These will usually charge slower, but they can be very convenient if you want to leave wires at home. When it comes to purchasing a power bank, there are a few important factors to consider. Let's dive into them: Anker batteries also look great and are built with high quality parts. 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. It far exceeds our expectations of what's necessary to make power banks that are great.

Capacity:Think of capacity as the energy reservoir of your power bank. The higher the mAh (milliampere-hour), the more power it can store. So, choose a power bank with a capacity that suits your charging needs and can juice up multiple devices. EnergyCell’s portable charger is as basic as power banks get, with just a micro-USB input, a USB-A output and no support for any fast-charging standards. What’s more, it’s slow. The USB-A output is specified as 10W, but in our tests we measured the output at between 7W and 9W depending on the phone. A 15-minute charge only raised the level on our test smartphone by 7%. The best power banks you can buy in 2023 1. EnergyCell Portable Charger 5000mAh: Best cheap power bankIf you have a newer Android phone, or the latest iPhone 15 models, you'll want a power bank with faster charging speeds to get your battery full faster. 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.

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: You need a lot of power: Thankfully, the battery on the Tylt Bottle 2 isn't so big it adds too much weight, but that also means it isn't powerful enough for multiple charges. If you’re trying to understand watt hours, voltage and power management, then shopping for portable chargers can become a little bit daunting. But, you only need to worry about the basics to make sure you’re getting the right one for your needs. Most importantly, is it the right size and weight for your needs? Does it have enough ports? And is there enough juice to charge up all your devices? CapacityReasonable notification must be given for all repairs. When an authorized repair facility is used, a written estimate must be provided to inTech RV prior to any work being performed. It’s best to look at the main battery you’ll need to fuel up – we’re guessing it’s your phone – and work out how large of a power bank you need (of course, all phones have different battery sizes). The capacity is measured in milliamp hours (mAh) and the more you have, the more recharges you’ll get. There are plenty of other power bank makers around, and most of them have not caught up to the faster charging speeds available on the iPhone 15 family, let along even faster Android phones. Except for unique form factors or serious bargains, we stayed away from recommending power banks from reputable makers if they couldn't charge at 2023 speeds.

Charge it Fully: Plug in your power bank and let it charge fully before using it. This ensures that it's ready to provide a reliable power source when you need it.Don’t know your USB-A from your USB-C or Micro USB? It doesn’t have to be too confusing. The older USB-A is the connector you’ll have seen often over the past 10 years or so (think little portable USB drives) while the newer USB-C connector is the one that has come with the newest Androids and iPhones (on one end at least, these still charge via Apple’s Lightning port). Speaking of that wall plug, it's the most useful feature ever on a power bank. Some power banks come with a built in USB-C cord, but this Anker comes with a two-prong power outlet plug. That makes it a wall charger as well as a power bank, and the utility can't be understated. You have a watch that isn't from Apple: The Otterbox 2-in-1 Power Bank only attaches magnetically to the Apple Watch. Other smartwatches, like the Pixel Watch, won't work with this one, not at all.