![OptiMate Test [TS-121]](/_next/image?url=https%3A%2F%2Fcdn.shopify.com%2Fs%2Ffiles%2F1%2F0627%2F2932%2F2649%2Ffiles%2Fts121optimatetest11.jpg%3Fv%3D1717766445%26width%3D1096&w=3840&q=75)
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The ultimate pocket tester for on-vehicle battery performance & alternator voltage testing with either 12V lead-acid or 12.8V LiFePO4 starter battery - Easy troubleshooting from cranking to charging! Features: For vehicles fitted with 12V AGM GEL and STD lead-acid or 12.8V LFP / LiFePO4 starter battery. As easy as 1-2-3 connect to battery check state of charge start engine tester displays cranking voltage and vehicle charge voltage simultaneously- 15 sec is all you need! Display cranking volts down to 6V and charge voltage range up to 15V - Check weak battery or overcharging! Easy to use! Connect with the included clips to the battery or connect to an installed SAE battery lead.; Verifies charging voltage when engine is running. 3-Year Warranty Model: TS-121
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$44.95