http://www.techradar.com/news/top-8-best-portable-laptop-battery-chargers-and-power-banks-in-2017 >Using your laptop away from a plug socket, and it running out of battery, can be a nightmare scenario for many people, but thankfully there's a solution: portable laptop charger battery packs. >These devices mean you won't be stuck without your trusty laptop anymore, and by making sure you buy the best best portable laptop battery chargers and power bank for your laptop and your needs, you'll be able to work uninterrupted on your laptop without worry.