Online Solar Cell Archive
The Hoffman OP-706 was one of the first mass-production solar radios. It was released in 1958, a year after the Hoffman P411 in 1957....
Monocrystalline, Product, Monocrystalline, Product
The Samsung S7550 Blue Earth is an early example of a smartphone with an integrated solar panel made in 2009. Some of the first...
Product, Toy, Product, Toy