GALLERY: GREEN CELL Universal Battery Sold in Vending Machines
IMAGE: Green Cell Universal Battery, Green Cell Vending Machines, Universal Battery, Standardized battery, Rechargeable power, eco battery, green battery, systems design, Greener Gadgets Design Competition, Green Gadgets Design Competition, Greener Gadgets winner Core 77, universal battery, standardized rechargeable power supply, Theo Richardson, RBW Design
