New Delhi, Dec. 15 -- Many power banks are built with phones in mind, so a laptop can make them feel out of their depth. You plug in, the battery crawls up by a percent or two, the pack warms up, and the meeting clock keeps moving. That is the gap laptop power banks are meant to fill, with higher wattage and the kind of output a laptop can actually use.

This guide focuses on the stuff that decides whether a buy is worth it: 20,000mAh plus capacity, real 100W USB C PD, and heat control that does not get messy under load. We are also looking at port layouts, how quickly the bank itself recharges, and the cable rating you need to avoid slow charging. What we want here is a power bank that does the job of your charger when you are away from ...