OptiMate is the most advanced fully automatic diagnostic battery optimiser and maintainer for all 12V lead-acid batteries. This includes sealed & conventional batteries for motorcycle and similar vehicles, including dry-charged "MF" & sealed "WET" maintenance-free types, & sealed "deep cycle" GEL batteries used in back-up power and other applications involving a steady delivery of power. Best for batteries from 2,5Ah to 32 Ampere-hours capacity. Just hook up to the OptiMate and the rest is automatic!