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Review on πŸ”‹ OptiMATE TEST: 12V Battery State, Cranking & Alternator Performance Analyzer - TS-121 by Chase Dunn

Revainrating 5 out of 5

Mini voltmeters and battery charging systems

Delivered on time and works exactly as expected. Buy cables that are permanently connected to your battery so you can just plug them in and then use them to test your battery and charging system once the engine is running.

Pros
  • Easy to install
Cons
  • Frequency