Hybridlight designed the Puc to live up to their name. The Puc is not your typical lantern but it includes a solar panel to charge it self and your electronics with its 4000 mAh battery. It conveniently includes a USB output to make adaptable to most chargeable electronics, with worry free 20% reserve feature leaving 2.5 of light after you used the charging capacity. The Puc also comes with a red and green light indicator to indicate low battery and a fully charged light. When the solar panel is exposed to direct sunlight it will take up to 13 16 hours to bring the flashlight from completely dead to fully charged. Enough about the tech features the Puc also includes a durable polycarbonate construction, water resistant, and collapses into a flashlight, making it a gear piece you can take anywhere.