A Litre at a Time by Phillip Gangan (Works That Work magazine)
Solar Lantern Bottle Led Solar Bottle Lights Collapsible Foldable Silicone Water Bottle Waterproof Rechargeable Camping Lantern Led Light with USB Cable for Camping, Garden, Party (White) Silicon - - Amazon.com
SOLAR BOTTLE: Water-purifying drinking container
All power to the Lightie solar bottle LED light
How to Build a SOLAR BOTTLE BULB : 12 Steps (with Pictures) - Instructables