Those batteries have probably met a worse fate than the white MacBook line they came from. According to Forbes, Charlie Miller's managed to render seven of them useless after gaining total access to their micro-controllers' firmware via a security hole. Evidently, the Li-on packs for the line of lappies -- including Airs and Pros -- are accessible with two passwords he dug up from an '09 software update. Chuck mentions that someone could "use them to do
