This kit retails for $229 and the included batteries work with more than 300 Dewalt tools in the company's arsenal.

The brand focuses predominantly on 20 and 60-volt batteries ... leaving rechargeable tool batteries on the charger is bad for them, but in DeWalt's case, it's not a big deal.

A quick look at some websites turned up the DeWalt 20-volt Max XR oscillating saw with a 1.5 amp-hour battery, charger, tool ...