Shawn was selling the JSB 510 for a while, which isn't a joye 510. They may not fit the prodigy or PT
If that's the case, why do they fit 510 batteries? Didn't realize there was a difference between 510 atty's... and the adapter listing on the PS site just says it's for 510/dura.... since my atty's fit all the various batteries I bought I'd have thought it would have fit the PS adapter as well... not a huge deal, but still a bit disappointing.