Manufacturers are investing huge sums into battery technology to maximize the range and performance of new electric cars. However, if you pop the hood of a modern EV, you might find a regular old ...

Rivian has yet another 12-volt battery issue, this time on the Gen 2 R1S and R1T vehicles. Owners report that an aluminum bracket holding the battery in place corrodes after only a few months, ...

(HWT Note: This is the third part in a three part series on understanding 12-volt batteries, which includes tips on improving battery function and longevity. The first is titled “Understanding 12-volt ...

Outsiders might not know that electric cars still have lowly 12-volt (usual lead-acid) batteries on board to power the vehicle's 12-volt systems, but they do and Musk wants that to change with the ...

We recently had to jump-start our 4-year-old Toyota Prius. It turns out that the Prius uses a 12-volt battery for starting. My question is: When the Prius has a large battery that can move the car, ...

It seems ridiculous, but even electric vehicles, plug-in hybrids, and hybrids that carry big powerful high-voltage batteries also require a 12-volt battery. And certain usage patterns can end up ...

A new lawsuit filed against Subaru and Toyota claims that the two automakers' jointly developed electric vehicles, the Solterra and bZ4X, suffers from an issue that causes the 12-volt battery used for ...

As fuel-economy rules get stricter, lithium-ion batteries may no longer be limited to electric cars. An increasing number of new cars are now being fitted with engine start-stop systems to reduce fuel ...

Tesla aims to move away from using the tried-and-tested lead-acid 12-volt battery in its vehicles, CEO Elon Musk revealed Monday. The CEO, responding to a question on Twitter about whether Tesla could ...

Here is an interesting Car Battery Monitor circuit of a low power electronic dc voltmeter circuit that can be used with car electric systems that run on 12 volt batteries. The voltmeter is an expanded ...