See another massive photo album from OPTIMA's 2020 Search for the Ultimate Street Car, presented by Advance Auto Parts at NCM Motorsports Park

Many modern cars can drain car batteries very quickly. We'll explain why in the Power Source blog

See the top performers in OPTIMA's Search for the Ultimate Street Car, presented by Advance Auto Parts from NOLA Motorsports Park in New Orleans, Louisiana

Why does your car battery keep dying? We'll give you some answers in the Power Source blog

All batteries have a self-discharge rate, but there's more to it than that. Find out why car batteries drain even when not in use, in the Power Source blog

OPTIMA puts their batteries through all kinds of brutal tests to prove they are really better

See results and photos from OPTIMA's 2021 Search for the Ultimate Street Car series, presented by Advance Auto Parts

Boats come in lots of shapes & sizes and so do batteries, so which one is right for your boat? We'll give you some answers in the Power Source blog

We'll help you find the best battery for your pontoon boat

The price of Jeep Wrangler batteries depends on which Wrangler you own. Will look at some variables in the Power Source blog

Check out a massive gallery of images from a very wet NOLA Motorsports Park for OPTIMA's 2020 Search for the Ultimate Street Car series, presented by Advance Auto Parts

If you need a battery (or three) for your trolling motor, which are the best ones to choose?

The question of who sells the best automotive battery is a good one, but is it possible to give an answer everyone will agree with?

We'll tell you which battery fits the 2000 Chevy Camaro in the Power Source blog

What defines a supercar and does the Audi R8 meet that definition? We put it to at least one serious test against the world's fastest street-legal minivan.

Top-10 Lists for Best Replacement Batteries are probably as legit as this Elvis Impresonator. Don't get fooled by lists from affiliate spammers who only care about getting money from you. We'll give you the truth in the Power Source blog

Is your car battery covered under your extended vehicle warranty? Probably not. We'll explain why in the Power Source blog

There's a lot of advice floating around on the Internet about how to extend battery lifespan. We'll set the record straight and give you the simple information you need.

See the list of every winner of the OPTIMA King of the Hammers, presented by Lasernut

Can you tell if a car battery is bad by measuring the voltage? We'll give the answer in the Power Source blog