Tbxxx

Note that the 20v Black and Decker battery and the 20v Porter Cable battery are essentially interchangeable. There is a small "notch" on the right side of a Porter Cable battery (looking into the connector). There is an identical "notch" on the left side of a Black and Decker 20v battery. A Dremel will put the notch on the opposite side is less than a minute. Then the battery will fit either brand's tools or chargers. Note that Amazon gets $66 for the 4AH Black and Decker 20v battery while the equivalent Porter Cable 20v battery is $91.50. Just FYI, Tom