OptiMate 5 Start/StopOptiMate 5 Start/Stop Bronze Series: 6-step 12V 4A sealed battery saving charger & maintainer.The perfect power charger & maintainer for your car, pick-up truck and your Vtwin motorcycle or 4 wheeler (ATV/ Side by Side).Charge, test and maintain your 12V AGM, GEL, EFB or STD starter or deep cycle battery. Battery performance guaranteed.Power charge delivers 4A constant current – Charges faster, get that vehicle running sooner.Ideal for ECO friendly cars with start-stop technology – 100% safe for sensitive electronics.24-7 battery care for medium to large 12V batteries! OptiMate’s 24-7 smart maintenance guarantees more battery power, longer battery life.