There are a lot of dead car batteries across Minnesota this morning. How long do you really need to drive your car to ...

Start the engine. Keep all lights and accessories off. Touch the black lead to the negative terminal and the red lead to the positive terminal. If the voltage reading is in the 13.8 to 15.3 volt ...

A battery tester can serve this exact purpose. Battery testers come in various shapes and sizes and can be used for different types of batteries. However, when it comes to small batteries ...

The discharge subscore rates the speed of a battery’s discharge during a test, which is independent of the battery’s capacity. It is the ratio of a battery’s capacity divided by its autonomy. A ...

It can be incredibly frustrating when you’re all set to go somewhere, but as soon as you turn the key in the ignition, you realize your car’s battery is dead. This sudden inconvenience can leave you ...

That's still pretty impressive, given that the Razr is a foldable device, and those phones have traditionally struggled with battery life. The test numbers we use in the above chart reflect the ...

TEXARKANA, Texas -- Preparing cars for cold weather is essential to ensure safety and reliability during colder months.

A rating of 100 Ah means that in an ideal world, the battery will deliver 5 amps per hour in this 20-hour test. A higher amp ... battery discharging without alternator recharge.

We run through all its features, test the claims that ... which is about what a AAA battery has. No. Your car is a trickle charger—that's what your alternator and charging system do, top it ...

These results showcase a phone that can easily keep up with heavy daily use, though our expectations for the combination of a 6,000mAh battery and a 3nm processor were a bit higher in some scenarios.