I had to repaint the AUTOLITE and sta-ful lettering on an older battery because it was flaking off. I used a bottle of paint from the hobby shop and brushes from the arts and craft store. The brushes were sold for doing enamel paint. One was pointed and I used it for the sta-ful letters. The other was flat and about 1/8 inch wide that I used on the AUTOLITE. I cleaned the top with denatured alcohol before painting. Surprisingly, the paint stayed on the top of the letters and did not run down the raised portion. The brushes cost way more than the paint!
Mike