TWO WAYS TO RECHARGE (SOLAR and USB): Recharges in 12-14 hours of direct outdoor sunlight (approximately 2 to 3 days depending on location and time of year) or 1 to 2 hours by USB (cord included).VERSATILE: Lightweight and collapsible makes this easy to take or store anywhere.Your logo is welcome.2000mAH BATTERY (Built in). Extra bright LED solar lantern and phone charger.UP TO 150 LUMENS: Long battery life provides approximately 50 hours of light on Low mode when battery is fully charged, making this solar lantern awesome for camping, outdoor recreation, and emergencies. Choose from 5 brightness settings. Lightweight, inflatable, and portable, Turbo mode and can recharge your smartphone or tablet with a 2.1 Amp output port and built in 2000 mAh lithium ion battery.