I compared how comfortable each charger was to carry and hold, how quickly it powered up my devices, how long it held a charge before the battery itself needed a battery, how fast it recharged, and whether its ports, cables, size, and weight makes sense for busy travel days. Ashlea Halpern Chevron Chevron Save to wishlist Save to wishlist Belkin 10K 23W portable charger power bank $55 $44 (20% off) Amazon I've been using some version of this Belkin power bank for years, and after testing many newer, flashier chargers, I still think it's the best all-around pick. Battery life: 10,000mAh; enough for about one to two full phone charges, depending on the device Pros and Cons AccordionItemContainerButton LargeChevron Pros Built-in USB-C and lightning cables