subject: Rechargeable alkaline manganese batteries [print this page] devices for cell phones, laptops, PDA and other portable devices to provide energy, and is currently used lithium ion batteries compared to the weight of only about half of the original lithium-ion battery fuel cell can provide about 4 times battery power. But this equipment is still in testing, it is estimated to be large-scale production in 2004 before entering the market. (The battery has not been applied to a player in, if applied, I believe the time can be Dedao Walkman tremendous increase)
