Optima Batteries 8014-045 D34/78 YellowTop Dual Purpose Battery Review

If you’re into serious performance for your high-accessory vehicle, you need a serious battery. The Optima D34/78 YellowTop is that battery. It has everything you need to power your stereo or AV system, running lights, hydraulics, inverters, or even winches. Optima’s reputation for quality is undisputed, and everybody from Jeep enthusiasts to muscle car aficionados knows that they can’t just use any battery if they want to get the most out of their investment. This is why they use Optima D34/78 YellowTops.


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Optima 8014-45 D34/78 YellowtopThe first thing you’ll notice when you see this beautifully designed battery is its distinctive yellow top. This yellow top lets you know that this battery is meant for high performance vehicles (as opposed to Optima’s RedTops, which are for standard vehicles, and BlueTops, which are for marine vehicles), and it also lets you know that you’ll get up to twice the life from it as competing brands. You’ll also notice its SpiralCell design, which is unique among battery makers, and which provides a consistent, strong, and clean source of power for your vehicle (not to mention being good for the environment).

This 12-Volt battery has 750 cold cranking amps, which means you’ll have enough power to start your car in just about any climate, from Fairbanks to Phoenix. And you’ll know it’s reliable, since its very low self-discharge rate means it’ll start right when you need it, even if you’ve stored your vehicle for the winter. Its deep-cycle capability gives this battery a rechargeability factor of three times more than its nearest competitor. (The Optima D34/78 can go through over 300 discharge/recharge cycles.) Plus, it has a reserve power capacity of 120 minutes, meaning you’ll never have to worry about your vehicle’s sound system running out of juice—or anything else you’re running through it.

Something that you might not notice at first glance, but which is nonetheless important, is that this battery can be mounted in almost any position, and is completely spill-proof. This, in addition to the fact that the battery is nearly maintenance free, means you can concentrate more on what you do best—like off-roading this weekend—rather than caring about upkeep or installation. Another thing that you can check off your list of worries: the Optima D34/78 is fifteen times more vibration resistant than standard batteries. When you talk about durability, Optima is what you mean.

If you’re worried about protection, don’t be. Optima’s warranty is one of the best in the business. In addition to their usual amount of protection for just the battery, they’ll give you an extra year of protection if you purchase a digital 1200 battery charger as well. That’s up to four years of solid assurance in the reliability of your battery.

So if you care about performance, durability, faster recharging, and getting the optimal amount of starting power out of your vehicle, the D34/78 YellowTop is the battery you need. It has been used and reviewed favorably by thousands upon thousands of satisfied customers. People trust Optima with good reason; you should too.

Optima Batteries 8014-045 D34/78

Optima Batteries 8014-045 D34/78



    Customer Reviews





        • Optimal starting power even in bad weather
        • This item is not for sale in Catalina Island
        • Fifteen times more resistant to vibration for durability