"The recharge of the aluminum-air [battery] is user-friendly and consists of refilling water and replacing aluminum when depleted," a spokesperson for Alcoa sai

"The recharge of the aluminum-air [battery] is user-friendly and consists of refilling water and replacing aluminum when depleted," a spokesperson for Alcoa said in an email response to Computerworld. "The water refill is an easy task that can be performed by using tap water  on average every one or two months according to mileage driven. The battery's aluminum replacement is also a "quick operation" that will be performed at periodic maintenance checks at a local service station  on average once a year according to mileage driven, the spokesperson added"[1] [1] http://www.computerworld.com/s/article/9248966/Electric_car_battery_tech_lets_you_go_1_000_miles_between_charges http://www.computerworld.com/s/article/9248966/Electric_car_...