Wondering how to stay warm and keep your phone charged during a power outage? Lifestyle expert Trae Boge has a hack for charging your phone. All you need is a nine-volt battery, a spring from inside a pen and a car charger for your phone. If you’re looking to stay warm, you can use bubble wrap on windows to trap warm air in and keep cold air out. And if you’re looking for a light source, headlamps and flashlights fastened to a jug of water create lanterns for indoors.