Recover charge and test up to eight batteries simultaneously with the PRO8-S. The unit is for all types of 12 Volt batteries including lead-acid sealed and gel. Battery status monitors are included at all eight stations with an automatic recovery mode for batteries as deeply-discharged as two volts. The PRO8-S also has automatic protection against short-cir- cuits and reverse-polarity connexions.Features. PRO8-S Replacement leads (Male End Older models). Batteries are charged at 1.2 A constant-current with a float charge when complete.