This is a simple but compact 3 in 1 battery tester. It measures voltage, power and charging capacity. The instructions make it easy to use and I liked that the Amazon listing included a video showing step-by-step use. The display is easy to read and the product appears to be made of durable materials. The device is small enough to be placed in a car glove box or storage compartment. This is a great device for those who want to test their own car/laptop/van batteries.
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