This is a Craftsman 19.2 Volt 1/2 in. Cordless Drill Driver Model Number 315.114850.  Refer to the chart below to determine what Cordless Batteries, chargers and tools that are compatible with this Drill. There are a lot of different models of batteries that will work with this drill including the new lithium batteries if you purchase a 19.2 Volt Lithium charger and battery. Thanks.

Features/ Specifications:

Chuck: 1/2 in. Keyless
Motor: 19.2 Volt DC
Switch: Variable Speed
Gear Train: 2 Speed
No Load Speed: 0-400/0-14g0/min.
Clutch: 24 Positions
Charger Input :120 V. 60 Hz, AC only
Charge Rate: 1 Hour