Charge gluttonously.
Over on Meh, today? Little tiny power banks.
The SideDeal, though? A couple of really big ones.
These chunky rectangles each deliver 20,000 mAh of power and can bring typical mobile devices from 0 to 100 percent without breaking a sweat, probably multiple times. Dual USB outputs let you charge two things at once, and a scrappy little micro USB will refresh your depleted bank in no time, even though at that point you’re probably not in that much of a hurry anymore anyway.
Regardless, these are serious power banks for when you really need to keep your devices humming and one of them is going to be more than sufficient for anything you’re going to realistically face, let alone two.
Ten bucks apiece is about as good as it gets for such a thing, and we’re pretty sure you’re not going to regret picking one up. Or picking two up. You get the idea.