It has a USB port to charge your mobile devices, a micro USB port to quickly charge the flashlight, or you can simply use any light source to keep your flashlight charged thanks to its built-in solar panel. The ultra-bright Journey 200 Lumen LED shines for up to 21 hours on low beam and 6 hours on high beam thanks to the 1200 mAh lithium-ion battery (holds a charge for 7 years). It measures 6 inches long and weighs only 4 ounces. You can take it anywhere and store it in your glove box, kitchen drawer, garage or boat.