What form was the lead in? A chunk? You're fine. powdered? you'll die someday.
I imbedded a bb sized peice of lead in my thigh for a year-ish when I was younger and stupid(er?)
From what I've heard it affects children and very old people the most.
But most battery acid is a concentrate of calcicianide or ferocyanide salt and both cause brain deterioration and increased susceptibility to certain spongiform infections.
