Pro tip: Save a digital copy to your phone. That way, you’ll always have the experience right when you need it—like in the garage with a dead car battery.
Most chargers hide this. A better PerformaX manual dedicates a two-page with voltage limits, temperature compensation factors, and cycle life penalties for misuse. performax+battery+charger+and+maintainer+manual+better
"FUL" means the battery has voltage, not cranking amps. You have a dead cell. Replace the battery. Pro tip: Save a digital copy to your phone