Bosch BC004 9.6-Volt to 24 Volt 1 Hour Smart Charger Stick and Pod Style Battery Charger Fits Bosch models 3960 cordless drill/driver and 1645 cordless reciprocating saw One hour charge time Charges 9.6- to 24-volt batteries (has the capacity to charge a 7.2v Bosch O-Pack battery, this is noted on the charger, but not on the box as Bosch has yet to launch a 7.2V O-Pack battery) Checks battery status every second to prevent overheating and overcharging