The Belkin BoostCharge Power Bank 20K with Display (BPB028FQSD, sand) is a high-capacity battery for long trips and busy workdays. Its three ports keep a phone, tablet and accessory charged from one unit. It ships pre-charged. The 20,000 mAh battery adds up to 87 hours of video playback for an iPhone 16, according to Belkin. Two USB-C ports and one USB-A port supply up to 20W of Power Delivery from a single port, or 15W in total when all ports are in use. A digital screen shows the battery level. Pass-through power lets you charge a connected device while the bank recharges. Belkin SmartProtect covers 55 safety tests and adds overheat and overvoltage protection. The bank measures 6 x 3 x 1 in (152 x 77 x 25 mm) and is compliant with TSA carry-on requirements. The box includes a detachable 6 in (15 cm) 60W USB-C to USB-C cable. A USB-C to Lightning cable, sold separately, is needed for iPhone 13 and iPhone 14. Belkin lists compatibility with iPhone 13 through iPhone 17 models, Galaxy S22 through S25 series, Google Pixel 10 models, iPad mini (6th Gen), iPad (10th Gen) and Nintendo Switch. The housing is made from at least 72% post-consumer recycled plastic and ships in plastic-free packaging. It is backed by a 2-year warranty and a $2,500 Connected Equipment Warranty.