I'm probably not the only one asking myself whether Cobalt is really necessary for competitive batteries: http://www.electronicdesign.com/power/race-cobalt-fre

I'm probably not the only one asking myself whether Cobalt is really necessary for competitive batteries: http://www.electronicdesign.com/power/race-cobalt-free-rechargeable-batteries http://www.electronicdesign.com/power/race-cobalt-free-recha...