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?

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 ...

An electric vehicle’s largest, most important and most expensive component is its high-voltage battery pack. Many newer bespoke EVs are built around their battery pack, and some have even incorporated ...

When David Finkelstein and his wife first got their new Hyundai EV, they drove it for months without a hitch. Then, the Ioniq 5 SUV started to repeatedly fail, rendering it inoperable. He couldn’t ...

Rivian owners have designed an adapter kit to replace the proprietary 12-volt lead-acid batteries in their vehicles with cheaper, off-the-shelf parts. A complementary solution could also allow keeping ...

Keysight Technologies, Inc. KEYS recently launched PathWave Advanced Power Application Suite to expedite the testing and designing of advanced battery system. The leading-edge software platform marks ...

As you have hopefully figured out by now, electric vehicles get their motivation from a big ol' high-voltage battery, usually tucked under the floorpan. But that's not an EV's sole source of electrons ...

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, ...

Fleet managers are being warned that the 12-volt battery on their electric vans may unexpectedly go flat, leaving them unable to start the vehicle and having to pay hundreds of pounds for a breakdown ...

The Konnwei 12-Volt Car Battery Tester is an excellent option ... and it will turn on instantly and start testing it to see whether you should consider replacing it. It’s equipped with an AI chip that ...