@powtree3: This is the DCB 212.0 amp hour I've been using. I've run it on a circular saw, a grinder, and a recip saw. I just keep working, keeps pushing, fit solid, no wobble. Dewalt tools, there's no reason to overpay That 12.0 amp hour gets the whole job done. And I'm still not dead on power. Honestly, if you run