For adventurous technophiles, there's no other choice but The North Face Surge II Charged Laptop Backpack, equipped with lightweight, rugged Joey lithium polymer battery so you're charged up and ready for anything. With your laptop, tablet, phone, and other devices tucked neatly in their designated pockets and routed to the Joey via an integrated, smartly designed cable system, you can be charging up all your gear while getting out in nature or during marathon sightseeing days.
The Joey battery delivers up to 2.5 full phone charges and several days of partial charges, and smart technology allows Joey battery to shut down or hibernate when not in use. Pass-through charging charges Joey battery plus USB or micro SD charged device. Don't be afraid to stuff this pack to the brim with your daily needs, because with the Surge's injection-molded FlexVent ultra-padded shoulder straps and an airmesh back panel with PE sheet support and spine channel, plus a padded winged hipbelt and removable sternum strap, you'll carry the load comfortably on your hips. The lithium battery is also water- and crush-resistant, so no worries there. For ultimate versatility, the Joey battery is removable for use in other packs, handy when going light and lean with a small pack or taking it your larger overnighter.