The LuminAID Titan Lantern is a solar, twist-to-open inflatable lantern & phone charger that packs flat for easy carrying and charging on the go. Designed for rugged adventures and charging beyond the grid, the Titan is your all-in-one solar gear to keep you powered up wherever you go. The lantern provides over 300 lumens of bright LED light on Turbo mode and can run for up to 100 hours on Low mode. It recharges via solar power in 16 hours of sunlight or by USB input in 2-4 hours. The 5V USB output port will recharge your phone in 2-4 hours depending on your type of phone. The 4000mAh battery can recharge your phone 2-3 times on a single charge, depending on the type of phone.