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Polaris Ranger Tester Crank / Alt TS-121 Battery Tester by Optimate

SKU: 3807-0245-EPR
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Product Information

SKU: 3807-0245-EPR
BRAND: Optimate
Accurately test your Polaris Ranger's battery with the TS-121 Battery Tester by Optimate.
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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.

Battery Tester Features:

  • Battery Capacity: 1
  • Color: Black
  • Dimension: 4" L x 1" W x 8" L
  • Model: Optimate™,TS-121
  • Voltage: 12V
  • Weight .097 kg

Featured Blog Post: Learn more information about Polaris Ranger batteries / dual battery kits, battery chargers, and common battery-related problems here!

Product Fitment

Mid-Size Vehicle (42)
Full-Size Vehicle (56)
Crew Vehicle (57)
Extreme Duty (1)
General Vehicle (26)

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Warning: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to