Optima Batteries 8020 164 35 Starting Review

Michael Iaboni Profile image

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Updated June 27, 2022
86 Expert Rating

The Optima Battery may have a confusing part number, but just remember that it’s the Redtop version that you want. It’s this version that contains the impressive 90 minute reserve capacity and the power to start even in the coldest of temperatures. Check out our best car battery list for even more great car battery selections!

Why We Like It – Optima Batteries 8020 164 35 Starting

The Optima Batteries 8020 164 35 Starting has a longer lifespan than most batteries, actually a little more than double what regular car batteries have. It contains 720 CCA which is among the highest we’ve seen for a car battery and means your car will start, without issue, even when it’s bone-chillingly cold outside.

  • 90 Minute Reserve Capacity
  • Faster Recharging
  • Optimal starting power even in cold weather
  • Not suited for deep-cycle or marine applications
  • Inconsistent life span


The Optima Redtop 8020 rates at 720 Cold Cranking Amps which is fantastic for a car battery and gives it more starting power, especially in the cold. It’s also an AGM battery. And while that means it does do well in the cold or heat, it’s not suited for deep cycle or marine applications. If you want something a little less powerful, possibly because you’re driving a car and not a truck, for example, try the ODYSSEY PC680 Odyssey Battery. Finally, the Optima Batteries Redtop has a reserve capacity of 90 minutes for constant, consistent performance.


The Redtop Starting Battery Optima sports an AGM lead acid battery that’s known for providing a higher rate of power in short bursts when compared to other sealed batteries. It’s spill-proof, which is great considering you’re dealing with acid, and is 15x more resistant to vibration making it one of the most durable batteries on the market right now. Although a trusted brand in automotive batteries, consider the ACDelco ACDB24R Advantage Automotive Battery if you truly want an OEM manufacturer with a history of manufacturing for major car companies.


The Optima Batteries Redtop Starting Battery is in a unique position: maintenance free and up to twice the lifespan of normal car batteries. However, some users have reported some inconsistencies with the life span, so be on the lookout. But the six-pack cell design is astounding and allows the Optima an amazing starting burst and faster recharging. It retails for $200.00 over on Amazon which is a fair price and much cheaper than it’s cousin, the Optima Batteries 8014 045 YellowTop Purpose.

Optima Batteries 8020 164 35 Starting Wrap Up

Optima Batteries 8020 164 35 Starting may have some inconsistent battery life, but when it gets rolling, it’s hard to get it to stop. It charges fast, and has a 90 minute reserve capacity for constant, consistent, and top-notch performance. It’s easily among the best car batteries on the market right now and definitely worth your time and consideration if you’re looking for one.

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