input: [CATEGORY] Charging [PROBLEM] 'Vampire' drain - losing significant charge each day when not plugged in [REPORTED BY] Bifff67 here [FIX or WORKAROUND] v4.0 code introduces Sleep Mode to reduce power consumption when not in use; consequence is that computers take longer to boot when turning car on. [CAUSED BY] 
output: Keeping the batteries conditioned and keeping the computers powered up