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Availability:
Only 10 left in stock, order soon!
Arrives
Thursday, Sep 24
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Style: Battery
Product Packaging: Standard Packaging
Features
- BATTERY SPECS: 12-Volt, 620 Cold Cranking Amps, Size: 9 5/16" x 6 13/16" x 7 5/8" tall, Weight: 36.4 pounds, SAE Post, C20 Capicity: 48 AH
- RESERVE CAPACITY of 100 minutes for constant performance. Faster charging capabilities.
- SPIRALCELL TECHNOLOGY: SPIRALCELL TECHNOLOGY with 99.99% pure lead delivers more power and consistently outperforms conventional flat-plate batteries. Optimal starting power even in bad weather.
- LONG LASTING: Fifteen times more resistant to vibration than standard flooded battieres for durability and Up to 3 times longer life vs. standard flooded batteries.
- MAINTENANCE FREE: For maximum convenience. Ideal for High electrical demands.
Description
The OPTIMA YELLOWTOP high-performance AGM battery is one of the only true dual-purpose automotive batteries available. With premium cranking power and unparalleled cycling capability (rechargeability), it is perfect for modern accessory-loaded vehicles. With a 40-year history of technological innovation and engineering OPTIMA products offer unstoppable power for extreme enthusiasts and others who require the ultimate power source. Trucks with winches, vehicles with high-demand electronics and audio systems, commercial vehicles and heavy equipment can all rely on this battery to provide ultimate starting and deep-cycle power. Up to 3x longer life and maintenance-free. Spillproof, mountable in virtually any position. Faster recharging capabilites. More than 15 times the vibration resistance.
Brand: OPTIMA
Vehicle Service Type: Passenger Car
Size: 9-5/16 x 6-13/16 x 7-5/8 inch
Voltage: 12 volts
Battery Cell Composition: Lead Acid
Item Weight: 36.4 pounds
Product Dimensions: 6.81"D x 9.31"W x 7.63"H
Number Of Cells: 6
Terminal: SAE Terminal
Item Highlight: Dual Purpose Car, Truck and SUV Battery, 620 CCA, Maintenance Free, Versatile Mounting
Compatible with Vehicle Type: Passenger Car
Voltage: 12 volts
Number Of Cells: 6
Terminal: SAE Terminal
Automotive Fit Type: Vehicle Specific Fit
Size: 9-5/16 x 6-13/16 x 7-5/8 inch
Item Weight: 36.4 pounds
Item Dimensions D x W x H: 6.81"D x 9.31"W x 7.63"H
Battery Type: Lead Acid
Brand Name: OPTIMA
Manufacturer Part Number: 9040-218
Item Highlight: Dual Purpose Car, Truck and SUV Battery, 620 CCA, Maintenance Free, Versatile Mounting
Unit Count: 1 Count
OEM Equivalent Part Number: 8040-218
Model Number: OPT8040-218
Manufacturer: Optima Batteries
UPC: 721112819884
Number of Items: 1
Included Components: Battery
Item Type Name: lead_acid_battery
Manufacturer Warranty Description: 36-month guarantee
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Sep 24
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: Battery
Product Packaging: Standard Packaging
I've consistently used Optima Yellow Top D35 on my weekend fun car (heavily modified 2002 WRX) that sits during the week and sometimes the battery drains down. It start very strong every time. Most recently I left the car for about 3 weeks just after installing the new battery and without much driving on it, and came back expecting the battery to need a jump, but I turned the ignition and it fired right up. The extra cost is a million times justified in my mind considering my experience with cheap batteries that last about a year or two. I've had Optima Yellows last 8+ years easy and have not seen deterioration in quality in the maybe 15 years I've ran them on my two cars. My "battery for life"
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Reviewed in the United States on January 27, 2026 by HHJC
Style: Battery
Product Packaging: Standard Packaging
I bought this battery September 2016. Been running it in a 14 XV Crosstrek with pretty powerful multi amp sound system. Battery just died today. FEB. 22 2026. Pretty amazing battery but price has gone up so much I might have to try a cheaper alternative.
Reviewed in the United States on February 23, 2026 by Lawrence A Gentile
Style: Battery
Product Packaging: Standard Packaging
Seems to be just like the higher priced one I bought several years back, and they delivered it to my door. I am happy with it.
Reviewed in the United States on July 2, 2026 by Bobby p.
Style: Battery
Product Packaging: Standard Packaging
This will be a mixed review of sorts. I bought an Optima SC35DA Yellow Top directly from Amazon in August of 2009 and it worked fine until March of 2011. The plastic around the negative battery post just split with gas and gel oozing out. I did not think there was any problem because this Optima battery comes with a three year full replacement warranty. Now the warranty merry go round started. I called Amazon and I was told to call Optima, Optima told me they would not warranty the battery because Amazon is not an authorized reseller, so back to Amazon, then back to Optima and so on. The final result is that Amazon wound up giving me a full refund of the purchase price of the battery. I would rather of had a new battery but I got tired of the BS and aggravation and then I did what others did, I went to a local discount store and bought a cheap battery. What is the point of spending $174.00 on what is supposed to be the best battery only to have it fail very early in its life cycle and then have to argue over getting it replaced? The Optima battery worked for less than two years. So why spend the money on one when you can buy a Wal-Mart special for less than half the price, get it replaced locally or just throw it out and buy a new one. I do have to thank Amazon for finally giving me the refund but there was too much aggravation involved. From all of the complaints I have read about the lack of a warranty when the Optima Battery is bought from Amazon, you would think Amazon would stop selling it. This is exactly why I gave it only one star. I can only recommend that no one should by any Optima Battery Product from Amazon unless they are fully aware that there is no warranty at all.
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Reviewed in the United States on April 8, 2011 by Marc Schlesinger
Style: Battery
Product Packaging: Standard Packaging
This is my fourth purchase of an Optima dry cell battery. I still have all four. My old Chevy 4x4 pick up. I bounced down the road cause I drove the heck out of it. Battery acid was everywhere and I was replacing the wet cell batteries every year. In 2006,I installed an Optima Red Top. No more spills and better starting power. I have used that same old Red Top in two pick ups and one car, sold the cars but kept the battery for a spare cause it fits most applications and still starts most any car or pick up at 6 years old. In 2006 our new pick up kept going dead cause we parked it most if the time. The alarm system would kill the wet cell battery after a couple of weeks parked. Bought a Yellow top, now it can be parked for just over a month with the alarm on before the batter goes low. We stored the pick up for three months with the alarm off and it never went dead. Yea you car alarm will kill your battery eventually. Yea you'll need a deep cycle type maintenance free setting on your home battery charger, if you need to recharge Optima batteries. Most new chargers have that setting too. If you buy a new charger with the 50 amp jump starting feature, you'll never wait for a tow truck. My old 2008 corolla needed a replacement battery in 2012. Yep, Optima Yellow Top was my choice cause I like to listen to the stereo with the engine off for hours. The car always starts right up now. Oh yea put two Optima Blue Tops in my boat for peace of mind. Wired in a Perko boat battery switch so I never have a dead battery. If we beach the boat and play the stereo all day long, I can switch to the full battery to insure we all get home safely. Yea you can do the same with wet cell batteries but they won't last as long and charge back up as easy as Optima batteries. Plus you can mount Optimas sideways or upside down to make more room. Just don't short out the battery terminals. Note:some modification of battery mount hardware may be needed in some applications but most just fit perfect. Check the battery post locations before you buy. I looked at the over priced batteries at my local car parts store first, took some measurements, then ordered from Amazon. Yes Optima batteries are about double the price of most replacement wet cell batteries, but well worth it. Amazon is awesome, the lowest price and you don't have to carry the new battery home. Who doesn't love free shipping. Order yours today and in about a week the nice Fed Ex or UPS person will carry that heavy battery right to your door or garage.
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Reviewed in the United States on November 3, 2012 by Scott J
Style: Battery
Product Packaging: Standard Packaging
Confirmed fit in 2001 Porsche 911 (996) 3.4L Coupe. This battery is the best battery you will get for your Porsche. Typically I get about 7 years out of the yellow top and most of us don't daily our 911s so a deep cycle battery like this one won't let you down. Deep cycle batteries are tough and Optima gel cell batteries resist vibration, which is the primary killer of a battery. My 996 tends to sip down electricity just sitting. Repeated draining of the battery will kill a standard battery , even a red top Optima... which are trash (IMO) but the yellow won't suffer nearly as bad as a standard battery. Car cranks nice and strong every time even if she sits for a week or two. Pro Tip - Mounting : This battery is NOT a direct fit to the battery box. Optima doesn't make a direct fit replacement battery for a Porsche 996 at the time of this post. A custom spacer is needed to lock down the battery so it doesn't move. Some people use a high density plastic, like a thick cutting board to fashion one. I used a 12mm or 13mm combo wrench as a spacer. It was the perfect size, shape and had the rigidity to do the job. I was able to really crank it down and the wrench had enough tension to act like a strong spring on the hold down tabs of the battery. This might sound like a "backyard fix". It works, and works great. I have had the battery in the Porsche for a year and 6,000 mi now. It has withstanded a lot of spirited driving , jars and bumps and still it's solid. Battery terminals are in the correct orientation and the Factory Porsche Battery cables are plenty long enough to reach.
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Reviewed in the United States on February 1, 2017 by Nick and Lea
Style: Battery
Product Packaging: Standard Packaging
After doing a lot of research on AGM batteries, I finally decided on this one. This was a Birthday gift for my son, to be installed in his '03 Subaru Forester. I started out looking at the Optima Red Top, but the reviews were not as as good & people I know have had problems with their Red Top battery failing. Now the choice was between the Sears DieHard Platinum & the Optima Yellow Top. The Sears DieHard Platinum looks like a very good battery & it's said to be made by Odyssey. Not really sure that's true? What pushed me over to the Optima Yellow Top was the heaver weight, much higher cost & shipping hassles if I went with the Sears DieHard Platium. The Optima Yellow Top was delivered quickly by UPS. It comes in a heavy-duty, double walled cardboard box. The battery inside the box was protected with more cardboard packing & the top of the battery was covered with a protective plastic cover. With the attached removable lift handle, the battery was easy to remove from the shipping box. The battery was in perfect condition! We found the Optima Yellow Top sits lower than a standard type 35 battery. Not a problem, since a spacer is provided, which snaps onto the bottom of the battery. This made the battery fit perfectly in my son's '03 Subaru Forester. The battery comes fully charged, so once we hooked up the cables, the engine started right up! We would recommend this battery & the plan is to install one of these in our other 2 vehicles. ► Update - October 23, 2012 Since I wrote this review, I bought another Optima Yellow top for our '95 Neon Sport. I should note that this isn't a direct replacement for the stock battery in the stock location! We relocated the battery to the trunk & a sealed battery (less chance of gassing) was the way to go. We completed this project over the summer & it was a complete success! As to the previous battery installed in the my son's '03 Subaru Forester. It's been 100% trouble free! :) ► Update - July 13, 2016 We have 3 of these now & 100% trouble free! :)
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Reviewed in the United States on May 18, 2012 by B. Clark
Style: Battery
Product Packaging: Standard Packaging
I purchased this yellow top Optima battery for one of my vehicles back in 2017, and in spite of a three year warranty, it has lasted seven years. I’m very happy about that. Unfortunately, the price today is over $100 more, which is more than double the inflation. Perhaps there are other factors causing the massive price jump, but it was quite a shock!
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Reviewed in the United States on August 9, 2024 by Kathy L