This category is for the best all around 12v cordless drill. Obviously a 12v drill is going to be smaller and lighter than the higher volt counterparts. But it will also be lower powered and have less run time. The reasons for purchasing a 12v cordless drill is to be easier on your hands, easier to fit in tight spaces, and easier to lug around.
The best all-around 12v cordless drill goes to the
Panasonic EY6405FQKW 12-Volt Ni-Cad 3/8-Inch Cordless Drill/Driver Kit
This drill has very good balance and is easy on the hands. It works well for getting into tight spaces. It's also built very well and we've heard from many people about how durable it is. This Panasonic 12v cordless drill also uses NiCad batteries which don't discharge when stored as fast as NiMH batteries. This is a plus if you won't being using the drill for weeks at a time.
Don't let the small size fool you though. This drill packs a punch and will run for quite a while. It's an excellent choice for even serious use if you need manueverability.