U.S. Army Creates Shoebox-Size Universal Battery Charger

It charges eight batteries and two USB devices at once. Battery chargers are finally getting a military upgrade. This is big! Not in a literal sense--that honor goes to the previous battery charger used by the U.S. Army, which was the size of a suitcase and either vehicle-mounted or left to rest on a table. It was hardly something a soldier could carry into the battlefield or on patrol. Now, the military has downsized to a charger smaller than a shoebox. Dubbed, creatively, the Universal Battery...