TecmateOptiMATE TEST – Cranking & Alternator, TS-121, 12V r for battery state of charge, cranking performance and vehicle charging system

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The TecmateOptiMATE TEST – TS-121 is a compact and efficient tool designed for on-vehicle battery performance and alternator voltage testing. It supports both 12V lead-acid and 12.8V LiFePO4 batteries, providing quick diagnostics in just 15 seconds. With its dual display feature, users can easily monitor cranking and charging voltages, making it an essential device for vehicle maintenance.