These Life Hacks Will Get You Through This Disgustingly Hot Summer. Some of these can work for more than what is pictured. For example, the Vodka bottle. You could more than likely use that trick with any other beverage.
Tried this this other night. It seemed to work, but I've never timed how long it takes to phone to charge NOT in airplane mode~~ Running low on battery? Put your phone on Airplane mode and it'll charge much faster!