While you wait for answers, we may have found some information which could help you.
Click here for Charged Cordless Boschwhat wattage is the r3 resistor in thebosch al 2450dv charger?
Bosch PSB 24 VE-2 Cordless Hammer Drill, help needed?
why is my Bosch GSB VE2LI drill getting slower (its not the battery)?
shut off valve location?
How can I open my Bosch 18V 2.6Ah Ni-MH Battery? ?
How can I fix a BOSCH AL2450 DV charger?