The charger al 2404 charges all batteries with apt insertion end from 72 to 24 v an led display indicates the operational state of the charger and the charging state of the battery the charger al 60 dc 2422 is specially designed for use in carstrucks 1224 v with delta voltage charge current shutdown operation via direct current source cigarette lighter the charger al 2450 dv for all bosch batteries quick charger with delta voltage charging control and an audible signal to indicate t