The alternator is responsible for maintaining the battery’s charge. If the charging voltage is less than 13.8V, the charging system should be inspected. By performing a Voltage Drop test ...

There's a mysterious set of codes on the battery in your car -- and the one you may want to buy to replace it. Here's how to ...

For idling voltage, the battery should maintain a steady draw at 14-14.5 volts (under 14 volts implies a weak battery or a failing alternator). You can also use a multimeter to test the alternator. In ...

How cold is too cold to drive an electric car? Here's a rundown of how to make your EV more efficient to adapt to winter ...

Allows for one-person operation of the INNOVA 3145 Ford Code Reader Includes 6-foot heavy duty cable with connectors for MCU and EEC-IV systems Allows technician to view their scan tool while ...

Smartphones got better in many ways this past year. They're taking better photos, as you can see in our various 200-photo face-offs between the best camera phones. They're delivering more ...

A healthy car battery is key to ensuring your car starts first time, every time. We show you how to check yours ...

Most parts stores will test a battery for free to tell you if you need one. If all of the above checks out, another possibility is that the alternator, which generates the power that recharges the ...

Demanding activities like gaming, watching videos, and snapping photos leave many of us glancing nervously at our battery indicators throughout the day and wondering when we should find the ...

Decode car warning lights with this guide—learn meanings, actions, and safety tips to prevent costly repairs and ensure safe ...

QuantumScape is developing solid-state battery technology to increase the range of EVs and enable them to recharge more quickly. The U.S. company is just beginning to test its battery technology ...