These laptop batteries have double the life span of those of major brands, including Lenovo and HP. Each pack can run 800 recharge cycles, or about two years of constant performance. The batteries use a lithium-imide electrode, which helps prevent burnout, even at temps of up to 140 degrees.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.