Best power banks 2021: portable chargers to keep your gadgets going Best power banks

Keep finding your devices run out of charge at the worst moment? You need one of the best power banks to top things up as and when needed. 

The best power bank for you depends on what you need to charge and how much juice you need away from the mains. Phones are the most obvious device to recharge during a long day out but you may also need a power bank that is able to boost the battery of a Nintendo Switch or even a laptop.