Add the Optimate Tester Crank / Alt TS-121 Battery Tester by Optimate so you can quickly and easily verify charging voltage between your alternator and voltage regulator. Check the charge on your battery and be able to determine it’s starting volts. Don’t stand there wondering, take the guessing out of the game. Able to test your alternator and your battery separately, you will know the next steps you need to take. Made to problem solve your 12V nightmares.
Don’t leave home without this vehicle performance tester. Small and compact, this can be stored in a variety of pockets or storage containers on your Side X Side. Fully sealed for water and dirt resistance, you can use it even in the wettest conditions. The rugged black color of the tester fits right in with your UTV equipment. So, grab your gear, now complete with this Optimate tester, and ride with the assurance that if something happens, you can easily get to the root of the problem.
The Everything Advantage
No catch-all catalog, no guessing. If it's on this page, it was picked because it belongs on your machine.
Talk to someone who knows a 1000-3 from a 1000-5. Fitment questions, install advice, straight answers.
Set your year and model once and we only show what bolts on. If it doesn't fit, we make it right.
Ordered today, out the door tomorrow on the vast majority of parts, with deep in-stock inventory behind it.
Ride it, test it, be sure about it. Ninety days to send it back, backed by our 100% satisfaction guarantee.