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 ...

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, ...

Hybrid and EV traction batteries are designed to last many years and are covered by long-term warranties, while 12-volt ...

Mild hybrids are everywhere in 2025, but when that 48-volt battery fails, what’s the damage? Here’s how much a new one costs, why it matters, and what the future holds for long-term owners. It used to ...