![]() ![]() A few phones, such as Samsung’s Galaxy S range, support a supplementary PD protocol called PPS (Programmable Power Standard) that goes up to 45 W. Many smartphones, including Apple’s iPhones, support the Power Delivery (PD) standard, meaning you can use higher-power power banks to recharge the device with no issues. Unfortunately, getting that maximum rate also depends on your device, the standards it supports, and the charging cable you use. Thankfully, you can calculate the wattage yourself simply by multiplying the voltage and amperage. We try to provide an estimate of what you’ll get in terms of charges for devices.Ĭharging speeds and standards: The charging rate for devices like smartphones is measured in watts (W), but most power banks list the voltage (V) and the amperage (A). There are a few things worth thinking about when you’re shopping for a portable charger.Ĭapacity: The capacity of a power bank is measured in milliampere-hours (mAh), but this can be a little misleading because the amount of power you get out depends on the cable you use, the device you are charging, and the charging method (Qi wireless charging is less efficient). Subscriptions help fund the work we do every day. com and our print magazine (if you'd like). Special offer for Gear readers: Get a 1-year subscription to WIRED for $5 ($25 off). ![]() Updated April 2023: We added new options from Satechi, Einova, Anker, and Baseus. Even if you're not living in an off-grid solar setup, good power banks will come in handy. I had a proper 12-volt battery bank in the bus, but since I was out and about much of the time, portable power was more flexible and let me take energy where I needed it rather than having to be beside a plug. That experience taught me that the key to solar power is good batteries. This obsession started when I (Scott) lived off-grid in a vintage RV, powered primarily by solar panels. ![]() To help, we've spent years working our way through all of them. There are hundreds of portable battery packs out there, and picking one can be confusing. However, if you keep a battery-powered portable charger handy, all those situations are a thing of the past. Keep in mind that this is a lipstick charger for iPhones only - it will not work with Samsung phones or other Android devices, though you can find good lipstick-sized Android chargers here.Portable devices have a Murphy’s law–like ability to run out of power at the least convenient moment: as you step on the bus, right in the middle of an important meeting, or just as you get comfortable on the couch and press Play. Regularly $21.99, apply the on-site Amazon coupon to save an additional 20% off your purchase. One of the best-selling lipstick chargers on Amazon, the VRURC charger currently boasts a 4.3-star rating (out of five) from hundreds of reviewers online. It fully charges in less than 90 minutes.Īt less than three inches wide and weighing less than 0.23 pounds, this mini charger is a no-brainer to keep your device powered up while you’re on the go. When you need to boost the charger, just plug it into an outlet using the USB-C cord that comes with your iPhone. That lets you use your phone (or watch content from your phone) while it’s charging. What we like: this lipstick-sized charger doubles as a phone stand, with a flip-out “leg” that props it up on any flat surface. It can also be used to charge your AirPods up to five times. The 5000mAh power bank is compatible with all iPhone models ( including the iPhone 14) and can deliver up to a full charge while you’re on the go. ![]()
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