The best power banks and battery packs for reliable charging on the go, tested

Forever running out of juice? Top up your battery-powered devices with our expert picks, from tiny smartphone chargers to portable power banks and even a power hat• The best iPhones in 2025: which Apple smartphone is right for youIt’s disempowering when your smartphone, laptop or other important gadget runs out of battery. With the flash of a graphic or a plaintive bleep, we lose a way to entertain ourselves, get things done, stay in touch or even get home safely. There’s a time