I run a Yellow top in my Challenger with no alt. Charge in between rounds and run two classes. I run electric everything. Have had this battery for a season and a half.

2013 NHRA D4 Stock Champ
#4 in the World IHRA Stock
2x IHRA Div.4 Stock Champ
14x Track Champ
All using a Ultimate Converter Concepts converter. Call Lenny today 704-892-6837