OptiMate 3OptiMate 3: 7-step 12V 0.8A sealed battery saving charger & maintainer.The most trusted fully sealed battery saving charger & maintainer for your motorcycle, ATV, Side by Side or personal watercraft. The most popular motorcycle charger world-wide!Charge, test and maintain your 12V AGM, GEL or STD battery. Keep it ready to ride!If you forget, OptiMate 3 will save your ‘dead flat’ sulphated battery from as low as 2V.Tests automatically: indicates if there is a battery problem.OptiMate’s 24-7 smart maintenance guarantees more battery power, longer battery life!