Testing your battery regularly will prevent a dead battery from ruining your day. There’s only one way to answer the question, “Is it my battery, or something else” when your car won’t start: Hook up ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Aug 27, 2025 4:00 PM EDT Is your car battery more than 3 years old?

A car battery is a crucial component that plays a vital role in the operation of a vehicle. Its primary function is to provide electrical energy to start the engine and power various electrical ...

In today’s electronics applications, batteries power nearly all our portable electronic devices. Batteries also serve as emergency power backup systems on large premises. Plus, all-electric vehicles ...

When working on battery-dependent projects you want accurate performance information where a datasheet may not be available. [E. Lelic] set out to build a device that would meter internal battery ...

Each battery cell is equipped with a small chip that tracks detailed performance data, including temperature, charge cycles, ...