DeWalt DCH172 18V 2 mode SDS Drill bare + 5 ah powerstack battery = more power
+ A DCBP518 5 AH LI-ION POWERSTACK BATTERY = MORE POWER. DEWALT DCBP518 18VOLT 5 AH POWERSTACK POUCH BATTERY. ALTHOUGH THIS MODEL IS A 2 AH BATTERY BASED MACHINE. IT WORKS JUST AS WELL WITH THE LARGER BATTERIES (4 AH UPWARDS).