Black Friday is here, and while the spotlight usually goes to TVs and tablets, a mega-practical gadget at Amazon dropped to its lowest price ever. The Ontel Battery Daddy, a favorite gizmo with nearly ...

For today’s shops, having the right diagnostic equipment is essential for accuracy, efficiency and customer confidence.

There’s only one way to answer the question, “Is it my battery, or something else” when your car won’t start: Hook up the best car battery tester and get a readout of what’s going on. Skip the ...