The wildest audio system, the most detailed motor and even the wildest hydraulic setup, is nothing without power. Think about it. We all remember a time when we were ready to hit the streets just to ...

A half-dozen batteries sit on a pallet on the shop floor headed for the recycler. All six considered “dead” by the normal standards because none would take a charge — or the shop’s battery charger ...

These aluminum hold-downs are available polished or powdercoated in almost any transparent color. Pictured are the traditional Matte Black and Transparent/Candy Red versions. The Hot Rods by Dean ...

Having used a prototype deep-cycle Optima in our trail beater since early 1996 or so, that battery has certainly served us well. While it still performs quite well when winching, and even puts up with ...

AGM (Absorbed Glass Mat) dry-cell batteries haven't always gotten the best rap. The problem is that once they're drained, it's hard to bring them back to life with a conventional battery charger.

Optima Batteries has revealed two custom Rivian builds at the 2022 SEMA Show in Las Vegas. Both are heavily modified for overlanding and come with trailers capable of recharging the vehicles remotely.

Car racing has long been hailed as the ultimate test bed for burgeoning automotive technologies, with everything from aerodynamics to paddle shifters making their way from high-tech racing machines to ...

A Volta-Powered Off-Grid Fifth Wheel Trailer, Upfitted from Grand Design With a 36kWh li-ion system, 2,250W of solar and Dodge RAM tow vehicle, the Volta-equipped trailer enables adventurers to stay ...

Optima Batteries will be using the Rivian R1T EV truck as a platform to show off its catalog of overlanding goodies at the upcoming SEMA show. For now, all we have is a digitally rendered teaser image ...

Dead batteries. It’s a common problem with equipment and vehicles that sit for extended periods of time without being run. I know was an issue with the portable generator in my garage, which I forget ...