My 91S13 was ordered with a converter but no battery
(the owner intended to always use RV parks with hookups) and it was located under the curbside bench.
Because I don't use hookups therefore didn't need a 120VAC to 12VDC converter, the battery
charger function was poor (too slow and prone to overcharge) and the dang thing was heavy, I salvaged the 12VDC distribution panel and junked the converter. I bought a good Vector battery
charger for that function.