Here’s a cool apple hack on how to replace the cells in your Apple Powerbook G3 if your batteries keep running out of time. I decided to get new replacement cells from Battery Space instead of surplus cells at a slightly better price elsewhere. There are nine 18650 Li Ion ...

Here’s a good idea for portable solar power cells. The Metal briefcase consist of two main parts: The top cover integrates solar panel, while the base includes Li-ion batteries and chargers. The briefcase will make its way to North America in the third quarter of this year ...