The Panasonic PACH329-1857-P is a lind 3 bay battery charger designed to charge 3 batteries of a your panasonic toughbook simlutaneously. A 120-watt AC Power adapter is used to power this Lind 3-bay battery charger. Charging indicators are provided at each bay which shows the charging status of battery. For CF-29, CF-30, CF-31, CF-51, CF-52 and CF-53 batteries.