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Optima Batteries 8012-021 D34 YellowTop Dual Purpose Battery

by Optima
4.7 out of 5 stars 94 customer reviews
| 3 answered questions

List Price: $230.39
Price: $181.58 & FREE Shipping. Details
You Save: $48.81 (21%)
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In Stock.
Ships from and sold by Amazon.com.
Retail
  • Enter your model number above to make sure this fits.
  • 12-Volt, 750 Cold Cranking Amps, Size: 10" x 6 7/8" x 7 13/16" tall, Weight: 42.9 pounds, SAE Post
  • Reserve capacity of 120 minutes for constant performance
  • Optimal starting power even in bad weather
  • Fifteen times more resistant to vibration for durability
  • This item is not for sale in Catalina Island
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Also Available in Frustration-Free Packaging
This product is now available in easy-to-ship, easy-to-open packaging optimized for our customers. See the Amazon Certified Frustration-Free Packaging version.
$181.58 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • Optima Batteries 8012-021 D34 YellowTop Dual Purpose Battery
  • +
  • DB Link BTN1 Negative Battery Terminal
  • +
  • Scosche EBT Battery Terminal with ABS Cover
Total price: $206.52
Buy the selected items together

Product Information

Product Packaging:Retail

Technical Details

Brand Optima
Item Weight 47.1 pounds
Product Dimensions 10 x 6.9 x 7.8 inches
Origin Mexico
Item model number 8012-021
Manufacturer Part Number 8012021
OEM Part Number 8012-021
National Stock Number 6140-01-450-0141

Technical Specification

For warranty information about this product, please click here [PDF ]
View Warranty Outline [PDF 23kb]

Additional Information

ASIN B000AMDDBQ
Customer Reviews
4.7 out of 5 stars 94 customer reviews

4.7 out of 5 stars
Best Sellers Rank #6,411 in Automotive (See top 100)
#14 in Automotive > Performance Parts & Accessories > Batteries & Accessories > Batteries
#18 in Automotive > Performance Parts & Accessories > Batteries & Accessories > Battery Accessories
#45 in Automotive > Replacement Parts > Batteries & Accessories > Batteries
Shipping Weight 47.1 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available January 18, 2007

Warranty & Support

Warranty, Parts:Optima warrants to the original purchaser that this battery is free of defects in material and workmanship for a 36 month replacement period when shipped and sold by Amazon.com. If a replacement is necessary due to a defect in materials and/or workmanship the battery will be replaced free of charge, within the free replacement period from date of original purchase. Please contact Amazon Customer Service with your warranty claim. For purchases from Amazon Merchant sellers please contact the seller directly for warranty support.
For warranty information about this product, please click here [PDF ]

Product Description

Product Packaging: Retail

Optima D34 YellowTop battery provides the extra performance and deep-cycling capability that your vehicle demands if it has a lot of accessories like running lights, high-performance stereo/AV system, winches, or hydraulics. The unique SpiralCell design provides a strong and clean power source, ensuring the safety of you, your family and the environment. The Optima battery is ideal for seasonal use because of its very low self-discharge rate. That means you can store your seasonal vehicles all winter without regular charging and still spring out of the starting block when winter is over.

Customer Reviews

Top Customer Reviews

Package Type: Frustration-Free Packaging Verified Purchase
Optima specifies in their data sheet for this battery a "reserve capacity test". Basically, you take a fully-charged battery at 80F and put a 25A load on it. In 120 minutes the voltage of the battery should still be above 10.5V. I've received three of these batteries from Amazon that tested around 83-85 minutes. The batteries varied in age from between 3 and 6 months, and sitting that long without being charged likely damaged them. I purchased two from a local retailer that were only 2 months old, and they were a lot better, lasting nearly 100 minutes, but still failing the reserve capacity test. Optima has yet to respond to my complaints, but it is clear that these batteries do not meet the specifications in their own data sheet for their capacity.

This probably isn't an issue if you're using them to start a gasoline engine, but I'm using them in an Electric Car, where capacity really matters.

EDIT: As of late 2014, Amazon seems to have their inventory under better control and the batteries they are shipping are fresher. Batteries received 1/12/2015 were manufactured 11/2014 or 12/2014; all were received > 12.8V. They still fail the reserve capacity test; now they go 100 or so minutes, but that's Optima. I would recommend checking the resting voltage of the new battery you receive, and if it is than around 12.75V, reject it.
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Package Type: Retail
I decided to order this battery through Amazon since it was about $50 cheaper than local retailers. Since I've never purchased a car battery online, I called Amazon and Optima to ask how a warranty claim would work when the battery was purchased through Amazon. The people I spoke with gave me some very surprising information, which I thought I'd share with you:

1. Amazon only accepts returns for up to 30 days after the item was purchased. After 30 days, the customer will be referred to the manufacturer of the item.
2. Optima refers all online purchases back to the original retailer. The full warranty cannot be honored through Optima unless the battery was purchased from one of Optima's authorized online retailers. The authorized retailers are shown on Optima's site; Amazon is not one of them.
3. Optima is unable to honor any warranty for batteries purchased through Amazon because Optima is unaware of the condition of the batteries, the shipping procedures, how long the batteries have been in a warehouse, etc.

The Optima Yellow Top series are arguably some of the best auto batteries currently on the market, but the money saved by buying from Amazon clearly isn't worth the almost nonexistent warranty.
4 Comments 117 of 137 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Package Type: Retail
I bought eight of the Optima yellow top batteries for house batteries in a sailboat for the convenience of AGM, no fill, no spill, etc. These batteries are charged by a state of the art 4 stage regulator, plus solar panels on a microprocessor charge controller. The batteries are all in one bank and charged/discharged equally and never below 85%. In other words they are pampered. Now the bad, one battery failed within a week of installation. It started gassing and heating up even under a light charge. After about a year another one developed an internal short and its voltage dropped to around 8V. It was easy to detect by just touching the top. It was warmer than the rest. Six months after that, two more developed internal shorts with the same symptoms. These batteries are over rated. It appears that the build quality from battery varies widely. I will never buy another one.
Comment 19 of 20 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Package Type: Retail Verified Purchase
They had the wrong images for this batt but after I contacted them they got it fixed. For all the people concerned about the lack of warrantee, go buy one from optima and try to get it replaced. They gave me the runaround on my last optima that I purchased from them so now I'll save $100 by purchasing here.
Yes $100 not $50.
You have to keep your eyes open for the deals.
If for some reason this new optima takes a crap within a year (which is highly unlikely) I'm not out that much $. But if it lasts like others I have I will get minimum 5 years out of it.
For the other reviews saying that they contacted optima and optima is saying they don't know how amazon is getting there batteries. Ah optima sells pallets of batteries that are 6 months old and older. So optima is full of it.
I worked at the warehouse so Ive see it.
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Package Type: Retail Verified Purchase
I was hesitant to buy this because of all the reviews saying the battery was poorly packaged and would arrive damaged. Knowing Amazon has a good returns policy, I took the chance and ordered it.

I'm in NY and the battery was shipped by truck cross country (I watched the tracking updates). It took about a week for it to arrive.

When I finally received it, I realized I was lucky. The battery was in good condition with no breaks or scratches on it. At the same time, it came in a simple cardboard box with some cushioning on top, but nothing on the bottom. This is a very heavy item and it's very easy to visualize the bottom of the battery getting damaged during a long truck ride as there is no protection whatsoever between the bottom of the battery and the 1/4 inch cardboard box it comes in.

I don't get it, sometimes they go overboard & package the most trivial of items in styrofoam and bubble wrap, and with this 50lb. item it's basically just covered in 1/4 inch of cardboard.

The battery itself seems fine- ...started my car up fine (although I can't comment on it over the long term just yet).
2 Comments 13 of 16 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Optima Batteries 8012-021 D34 YellowTop Dual Purpose Battery
This item: Optima Batteries 8012-021 D34 YellowTop Dual Purpose Battery
Price: $181.58
Ships from and sold by Amazon.com