Here is a smart battery tester that combines with your iPhone or Android device to check the state of your car battery. The ThinkEasy Battery Test Clip is Bluetooth enabled and works on lead acid, gel, EFB, and other types of batteries. It takes the guesswork out of the process to tell you about the life of your batteries.
To get started, download the ThinkDiag+ app to your iOS or Android device, attach the clamp on the positive and negative terminals of your battery, and you are ready to get a battery health report. ThinkEasy supports 3 types of tests (battery healthy, starting system, and charging system), so you can check the health of your battery, starting voltage, and charging system.[where to get it]
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