That aside, though, this is a great little power bank, small and light enough to be easily pocketable, but with enough charge to get you through a weekend away. 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.

Our expertise enables us to deploy technology solutions seamlessly, no matter where they are needed. However, we love the tough, slightly rubberised casing, the digital capacity display and the fact that it comes in a range of colours. 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. Smaller accessories such as wireless earbuds, Bluetooth headphones, fitness trackers and smartwatches can cause problems for power banks because they’re designed to charge using a low-wattage trickle-charge, rather than the 10W to 25W used to fast-charge your typical smartphone.

More than likely to you would have to pick up a cable that is compatible with your device (seriously who uses Micro USB in 2023? It’s the perfect companion for all your on the go needs, from lunch dates with friends, to holidays in the sun, simply slip it in your cabin bag to stay juiced throughout your flight. We use cookies to give you the best possible experience on our site, provide personalised content and advertising, analyse our traffic, and ensure you see more of what you love.

Tablets, digital cameras and Bluetooth speakers can often do with a top-up, and a decent power bank is a must-have accessory if you love playing on a Nintendo Switch. That’s not bad at all for an affordable power bank, and we also found it usable for charging tablets and even a Chromebook laptop, albeit at a slower-than-usual speed. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.If you’re looking for a small power bank to recharge with while you’re out and about, the Juice 3 Charges is a great option. If you care more about convenience than speed, wireless charging is very much the way to go – and a growing number of power banks support it. Step up from the budget power banks to the mighty Juice Powerbank Max and you get a much more capable mobile charger, with a 20,000mAh capacity and a 20W USB PD output over USB-C. The use of USB-C for the single input/output port is a little weird given the target market, and you’ll need a fast USB-C charger and a USB-C to Lightning cable to make the most of the device. Aluminium wireless power banks with a 4000mAh capacity (milliamps per hour, which is the measure of charge the power bank holds).