There are so many complaints about battery operated tools, I wonder if anyone would be attracted to a 12 or 14 volt tool that, in addition to a its supplied battery pack, could also be operated from a plugin cord? I'm talking about something universal, similar to most portable Ham Radio equipment that is on the market. It may have a proprietary battery pack, but also be able to accept NiCad or NiMh batteries, or be plugged into a cigarette lighter or even into a RV-type deep-cycle battery or AC power supply.
I've owned a couple of portable radios that have proprietary NiCad packs and like so many tool owners, the packs go dead in a year or so and one is faced with buying replacement batteries that cost almost as much as the radio. If the radio is 7 or 8 years old, you are lucky if you can even find a battery pack to fit it. From what I can see, tool owners face the same problem! Subsequently, I will only buy something that can be run from a variety of sources.
It wouldn't take much for Ridgid to add a standard power (barrel type or whatever)receptacle to the existing battery packs on 12 or 14 volt units (I presume that the standard 13.8 VDC automotive battery voltage wouldn't foul up either type). Better yet, would be a snap-on device in place of the battery that would contain the necessary receptacle, voltage regulator or whatever. Either way, the tool could than be operated from almost any source that could supply the necessary amperage. A tool belt could hold a universal rechargeable battery, or the tool could be plugged into a moderate AC power supply. It could be run from a vehicle's accessory plug; or on a job site with no power, a deep-cycle battery could probably run a drill or saw for a good 8-hour day or better. I have a 125 amp hour deep-cycle that will allow a 10 amp drain for a solid 9 hours. Recharge in the truck on your way home and back and your ready for another day. Like a car battery, the deep-cycle battery will last for years. It only costs about$75. In addition, there are a number of universal portable units that supply 13.8 volts.