Optimate test – cranking & alternator, TS-121, 12V tester for battery state of charge, cranking performance and vehicle charging system
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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
![](https://optimate1.com/wp-content/uploads/2019/06/TS121-OptiMate-Test-1.png)
OptiMate TEST – Cranking & Alternator - OptiMate
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OptiMate TEST: Cranking POWER & Alternator
![](https://optimate1.com/wp-content/uploads/2019/06/TS130-1-600x600.png)
OptiMate TEST – State of Charge 12V - OptiMate
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EDIAG 12V Car Battery Tester BM310 Digital Alternator Tester, Check Battery Condition & Alternator Charging for Car, Motorcycle : Automotive
![](https://optimate1.com/wp-content/uploads/2022/04/O125v2-1-320x320.png)
Battery Testers Archives - OptiMate
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Optimate 6 Select - 12V 6A, TM-371, 9-Step Gold Series Battery Saving Charger & Maintainer
Tested: Optimate Test TS-120 battery tester review
Tested: Optimate Test TS-120 battery tester review
![](https://optimate-battery-charger.co.za/wp-content/uploads/2015/01/TestMateAuto-300x333.jpg)
OptiMate test TS120 Battery and charging system