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OPTIMA Batteries OPT8014-045 8014-045 D34/78 YellowTop Dual Purpose Battery

4.3 4.3 out of 5 stars 1,416 ratings

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Purchase options and add-ons

Brand OPTIMA
Size 10 x 6-7/8 x 7-13/16 inch
Product Dimensions 6.88"D x 10"W x 7.81"H
Terminal SAE Terminal
Vehicle Service Type
Passenger Car
Voltage
12 Volts
Battery Cell Composition
Lead-Acid, AGM
Item Weight
43.5 Pounds

About this item

  • 12-Volt, 750 Cold Cranking Amps, Size: 10" x 6 7/8" x 7 13/16" tall, Weight: 43.5 pounds, Dual SAE & GM Post
  • Reserve capacity of 120 minutes for constant performance
  • Optimal starting power even in bad weather. Case Material: Polypropylene.Internal Resistance: 0.0028
  • Fifteen times more resistant to vibration for durability. Post type is Dual SAE/GM
  • This item is not for sale in Catalina Island
  • C20 Capacity - 55 Ampere hour
See more product details

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From the manufacturer

yellowtop
yellowtop

OPTIMA YellowTop D34-78 shown above

yellowtop
Our Promise

Ultimate Power, for the ultimate professionals, for the ultimate enthusiasts. And for the ultimate experience. That's our goal each and every day. We look for every technological advantage to push the limits of what's possible and leave pretenders in our dust.

We manufacture our own batteries in our own facilities to our demanding standards. To ensure quality and consistency in our batteries, no matter where they are being sold - our batteries are never re-labeled or re-spec'd.

Everything you need

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.

Trucks with winches, vehicles with high-demand audio systems and commercial vehicles can all rely on this battery to provide ultimate starting and deep-cycle power.

  • Deep-cycle and cranking power
  • Up to 3x longer life and maintenance-free
  • More than 15 times the vibration resistance
  • Spillproof, mountable in virtually any position
  • Faster recharging and 300+ discharge/recharge cycles
SpiralCell Technology

SpiralCell Technology

At the heart of every OPTIMA battery is a series of individual spiral-wound cells comprised of two pure (99.99%) lead plates coated in a precise coating of lead oxide. One coated plate is positive and the other is negative.

The unique manufacturing process of spiral winding continuous lead plates is far more precision-controlled and expensive than building traditional flat plate AGM batteries. Custom automated cell-winding machines are required to maintain the close tolerances required to maintain quality and performance. Critical tolerances, temperatures, humidity and automated processes are maintained and constantly monitored.

OPTIMA has built over 100 million individual spiral cells since the early 1990’s.

What's the difference between OPTIMA RedTop, YellowTop, and BlueTop Batteries?

retop

yellowtop

bluetop

RedTop

For normal engine starting where an alternator immediately monitors the state of charge and provides energy to the battery whenever it is needed.

This would describe most stock vehicles, including: automotive and RV underhood starting, heavy equipment where starting is the primary function, and diesel vehicles without aftermarket electronics.

YellowTop

Use this when electrical loads are higher than average, or when the discharge cycle is more than typical engine starting, such as vehicles with multiple electronic accessories and vehicles without alternators. This can also include vehicles with a lot of factory electronics such as power sliding doors and a DVD player. Examples also include: racing vehicles without a charging system, dedicated drag racers, diesel powered vehicles with aftermarket electronics, and vehicles with inverters, winches, or other accessories.

BlueTop

The BlueTop starting battery (dark gray case) is to be used when a dedicated starting battery is required and it should never be used for cycling duty. Use a BlueTop starting battery for marine applications and RVs when the battery's only function is engine starting.

The dual purpose BlueTop (light gray case) can be used for both starting and deep cycling -- it is a true deep cycle battery with extremely high cranking power. Uses include: trolling motors, marine applications with heavy electrical accessories, and RVs.

Product 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. Trucks with winches, vehicles with high-demand audio systems and commercial vehicles can all rely on this battery to provide ultimate starting and deep-cycle power.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here. [PDF ]

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OPTIMA Batteries OPT8014-045 8014-045 D34/78 YellowTop Dual Purpose Battery


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What's in the box

  • SEALED LEAD ACID BATTERY-GROUP 3478 YELLOW TOP DUAL PURPOSE
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    Price$309.99$359.99$399.99$289.99$299.99$309.99
    Delivery
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Customer Ratings
    Value for money
    3.2
    4.0
    3.5
    3.0
    2.7
    Longevity
    3.1
    4.3
    3.7
    3.0
    2.6
    Sold By
    Amazon.com
    Amazon.com
    Amazon.com
    Amazon.com
    Amazon.com
    Amazon.com
    compatible vehicles
    Passenger Car
    Passenger Car
    Passenger Car
    Passenger Car
    Truck
    Boat
    size
    10 x 6-7/8 x 7-13/16 inch
    12-13/16 x 6-1/2 x 9-3/8 inch
    9-5/16 x 5-1/16 x 8-15/16 inch
    10 x 6-7/8 x 7-13/16 inch
    10 x 6-7/8 x 7-13/16 inch
    terminal type
    SAE Terminal
    SAE Terminal
    SAE Terminal
    SAE Terminal
    SAE Terminal
    voltage
    12 volts
    12 volts
    12 volts
    12 volts
    12 volts
    12 volts
    battery composition
    lead acid agm
    lead acid agm
    lead acid agm
    lead acid
    lead acid
    lead acid agm
    weight
    43.5 pounds
    59.8 pounds
    19.36 pounds
    37.9 pounds
    38.4 pounds

    Looking for specific info?

    Customer reviews

    4.3 out of 5 stars
    4.3 out of 5
    1,416 global ratings

    Customers say

    Customers like the fit of the auto battery. They mention that it fits right in, with no mods needed to install. Some say that it's more compact and fits their needs. However, opinions are mixed on value, quality, and starting.

    AI-generated from the text of customer reviews

    10 customers mention10 positive0 negative

    Customers like the fit of the auto battery. They mention that it fits right in, with no mods needed to install. Some say that the compact design is nice, and it's good for a Jeep.

    "Receive the battery it was in excellent shape fits in the location on my 1984 jeep CJ7" Read more

    "...Very very strong! I have a 2001 Jeep Cherokee and it fit right in, no mods needed to install. I also am able to wire my accessories right up to it...." Read more

    "...The size is good for my Jeep and I need the side posts. But these Optima bateries have gotten worse and worse - just junk...." Read more

    "...Compact design is nice, as are the dual terminals." Read more

    7 customers mention7 positive0 negative

    Customers are satisfied with the seal of the auto battery. They mention that it won't leak, it doesn't drip, and it has very low self-discharge.

    "...Tell me a local shop I can take it locally. They said no. It doesn't leak fumes so I figured i will use it until I don't like looking at the crack...." Read more

    "...capability to mount them anywhere and in and origination with no worry of leaking." Read more

    "...They are also sealed so my terminals don't get that green dust of corrosion. The yellow top with the gray case is the one I purchased...." Read more

    "...They have very low self-discharge so they are always ready for use. I love ‘em!!" Read more

    6 customers mention6 positive0 negative

    Customers like the hardware of the auto battery. They mention that it comes with all the plastic accessories needed to install and securely fasten. The battery also comes with various case adapters to fit various battery trays. Customers say that the battery is perfect for extra electronics and to supply CCA for the diesel engine.

    "Our bus took two batteries so I used these. They are perfect for the extra electronics and to supply CCA for the diesel engine...." Read more

    "...Battery came with various case adapters to fit various battery trays. Construction appears first class. Time will tell...." Read more

    "...my 03 Cobra Mustang, installation was a breeze and it came with all the plastic accessories needed to install and securely fasten it to the Cobra...." Read more

    "took me 10minutes to install with no additional hardware or special parts..." Read more

    272 customers mention169 positive103 negative

    Customers are mixed about the quality of the auto battery. Some mention that it's very strong and high performance, while others say that it failed after a year and a half.

    "...8 years is plenty. Just bought a new one. Great battery. You get what you pay for!!" Read more

    "...The only negative is that there is only a 36 month warranty for a battery that is as expensive as the Yellow Top.Update:..." Read more

    "Good working battery. I would definitely recommend this battery to people." Read more

    "Very strong good battery, i did have one go dead on me but they replaced it and no issues since then. They are worth the hype and the money." Read more

    72 customers mention50 positive22 negative

    Customers are mixed about the value of the auto battery. Some mention it's worth every dime, it'll start up smooth and quick, and it'd be a great buy. Others say that it're not cheap and should have lasted much longer.

    "...They are worth the hype and the money." Read more

    "...These things are VERY VERY heavy but worth every lb! I also want a reliable battery when traveling and these can take the abuse." Read more

    "...Yes, they are expensive, but I've replaced standard batteries after 3-4 years and this Optima is going 10+, so it's actually cheaper in the long..." Read more

    "...Best Battery, Best Price, Best Delivery to my door!" Read more

    30 customers mention17 positive13 negative

    Customers are mixed about the starting of the battery. Some mention that it spins fast and starts it right up, while others say that it wouldn't start for no reason.

    "...The battery really cranks the engine over quickly, and the car is starting well...." Read more

    "...last 4 months have been charging and refreshing and it just lost it cranking power so it was time. So almost 3year life...." Read more

    "Only had it for a short amount of time but it has been cranking just fine with it and everything runs well on this battery I will update every 6..." Read more

    "...Please note when I first turned over the truck it didn't even engage the starter, just tick tick tick like a dead battery...." Read more

    Optima fit in 2000 Mustang GT with no modification needed
    5 Stars
    Optima fit in 2000 Mustang GT with no modification needed
    Fit just fine in my 2000 mustang GT battery holder. No modification needed. No clearance issues etc. I should have bought years ago.The one I got is: Optima Batteries 8014-045 D34/78 YellowTop Dual Purpose BatteryThe battery was about 1mm longer than the tray (from front to rear of car vs left to right), but the tray just stretches out to accommodate. I laughed and said to myself - "Are you serious?!? that's what I was all worried about?!? Lol!" "Good grief - this fit just fine!!! Lol" :-)1st pic shows Mustang2nd pic is looking at battery from drivers side - it shows how the tray stretches to accommodate the 1mm increase in size3rd shows from the drivers side looking at the front of the battery in the mustang - the thing to notice is that the front side didn't need to stretch since it's already stretched on the back side4th pic shows mustang from the front and how it's installed without the blue adapter, without the large yellow tray adapter, and without the larger of the 2 red adapters (I left them on top to show how they're not used)5th picture is from the drivers side looking over the battery to show how I used the red clip that came with the Optima. This red clip is the same as the stock black clip. But the new one looks nicer.6th picture is from the front at headlight level - they show how I didn't run into any clearance issues.7th shows no clearance issue.The pictures help.See, the Optima site doesn't list it as fitting in the 2000 mustang GT. But yet we all know people put them in their mustangs... So the discrepancy between the 2 kept me from buying for a long time.But all you do is drop it in, and lock it down. In hindsight, it was really no different than any other battery I have ever installed.I used the new clamp that came with the battery vs the factory because because the new one was clean, red, and looked cool, but it was identical in shape to the factory clamp.There were a few other clamp items (blue tray items) for applications in other vehicle types, and they caught me off guard and so I tried to use all of them - partly because I thought they looked cool, but most because I didn't realize that they're actually for different vehicles; it ended up just being the red one, which was the same as the factory black clip that came with the mustang. The other ones would raise the battery with no benefit. I don't remember if there were any clearance issues if it was raised, but don't bother with them unless you're just having fun with the battery changing project and just want to see. You might save them in case you ever get a new car and want to bring the battery - Optima batteries are notorious for lasting a super long time. But yeah - the yellow top Optima fit just fine in 2000 mustang GT.I was all worried that I was going to need to get an F150 tray from a salvage yard (which was a pretty neat idea that someone had done successfully), or order a new cool fancy tray (but those aren't cheap). Neither are necessary, but they're good to know because the knowledge helps guarantee that can somehow fit if your experience is somehow different than mine. But you won't need to do it.You can still do stuff like that it you want, but do it after you put your battery in - because if your tray is the hard plastic one like mine, there is absolutely no problem putting it in. No modification to your tray is needed.I was very happy about how easily it went in.Can't believe I waffled for years over getting one.The low price on Amazon helped too. The absolute best battery I could get otherwise was around 120 dollars, but not nearly the same quality as the Optima. The Optima red top wasn't much more than that on Amazon, but I went yellow because it is an even better battery.Both the red and yellow are great though - WAAAAY better than other batteries. But most people know that about Optima batteries. I don't think they need people to endorse them.I'm writing this not so much because of Optima's quality (already known), but more so 2000 Mustang owners know that they can get this and be happy.It should be the same for any 99-04 mustang, the red or yellow top. But my knowledge is first hand for the 2000, and the Optima Yellow top Optima Battery that I'm rating: Optima Batteries 8014-045 D34/78 Yellow Top Dual Purpose Battery
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    Top reviews from the United States

    Reviewed in the United States on February 29, 2024
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    Reviewed in the United States on February 25, 2011
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    3 people found this helpful
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    Reviewed in the United States on October 22, 2016
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    B J
    5.0 out of 5 stars Optima fit in 2000 Mustang GT with no modification needed
    Reviewed in the United States on October 22, 2016
    Fit just fine in my 2000 mustang GT battery holder. No modification needed. No clearance issues etc. I should have bought years ago.

    The one I got is: Optima Batteries 8014-045 D34/78 YellowTop Dual Purpose Battery

    The battery was about 1mm longer than the tray (from front to rear of car vs left to right), but the tray just stretches out to accommodate. I laughed and said to myself - "Are you serious?!? that's what I was all worried about?!? Lol!" "Good grief - this fit just fine!!! Lol" :-)

    1st pic shows Mustang

    2nd pic is looking at battery from drivers side - it shows how the tray stretches to accommodate the 1mm increase in size

    3rd shows from the drivers side looking at the front of the battery in the mustang - the thing to notice is that the front side didn't need to stretch since it's already stretched on the back side

    4th pic shows mustang from the front and how it's installed without the blue adapter, without the large yellow tray adapter, and without the larger of the 2 red adapters (I left them on top to show how they're not used)

    5th picture is from the drivers side looking over the battery to show how I used the red clip that came with the Optima. This red clip is the same as the stock black clip. But the new one looks nicer.

    6th picture is from the front at headlight level - they show how I didn't run into any clearance issues.

    7th shows no clearance issue.

    The pictures help.

    See, the Optima site doesn't list it as fitting in the 2000 mustang GT. But yet we all know people put them in their mustangs... So the discrepancy between the 2 kept me from buying for a long time.

    But all you do is drop it in, and lock it down. In hindsight, it was really no different than any other battery I have ever installed.

    I used the new clamp that came with the battery vs the factory because because the new one was clean, red, and looked cool, but it was identical in shape to the factory clamp.

    There were a few other clamp items (blue tray items) for applications in other vehicle types, and they caught me off guard and so I tried to use all of them - partly because I thought they looked cool, but most because I didn't realize that they're actually for different vehicles; it ended up just being the red one, which was the same as the factory black clip that came with the mustang. The other ones would raise the battery with no benefit. I don't remember if there were any clearance issues if it was raised, but don't bother with them unless you're just having fun with the battery changing project and just want to see. You might save them in case you ever get a new car and want to bring the battery - Optima batteries are notorious for lasting a super long time.

    But yeah - the yellow top Optima fit just fine in 2000 mustang GT.

    I was all worried that I was going to need to get an F150 tray from a salvage yard (which was a pretty neat idea that someone had done successfully), or order a new cool fancy tray (but those aren't cheap). Neither are necessary, but they're good to know because the knowledge helps guarantee that can somehow fit if your experience is somehow different than mine. But you won't need to do it.

    You can still do stuff like that it you want, but do it after you put your battery in - because if your tray is the hard plastic one like mine, there is absolutely no problem putting it in. No modification to your tray is needed.

    I was very happy about how easily it went in.
    Can't believe I waffled for years over getting one.

    The low price on Amazon helped too. The absolute best battery I could get otherwise was around 120 dollars, but not nearly the same quality as the Optima. The Optima red top wasn't much more than that on Amazon, but I went yellow because it is an even better battery.

    Both the red and yellow are great though - WAAAAY better than other batteries. But most people know that about Optima batteries. I don't think they need people to endorse them.

    I'm writing this not so much because of Optima's quality (already known), but more so 2000 Mustang owners know that they can get this and be happy.

    It should be the same for any 99-04 mustang, the red or yellow top. But my knowledge is first hand for the 2000, and the Optima Yellow top Optima Battery that I'm rating: Optima Batteries 8014-045 D34/78 Yellow Top Dual Purpose Battery
    Images in this review
    Customer image Customer image Customer image Customer image Customer image Customer image Customer image
    Customer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer image
    19 people found this helpful
    Report
    Reviewed in the United States on February 5, 2024
    Product Packaging: Frustration-Free PackagingVerified Purchase
    Customer image
    1.0 out of 5 stars Top of the battery cracked.
    Reviewed in the United States on February 5, 2024
    A month after install a friend pointed the crack to me at a car show. Optima company said owner error that I should not charge the battery long term on trickle charge. And would not send a new battery. I told them I never charged the battery. It has a kill switch so no need. After arguing for some time then they said ship the battery and they will inspect and decide. I said no, I knew what there answer will already be so I didn't ship and then have nothing. Tell me a local shop I can take it locally. They said no. It doesn't leak fumes so I figured i will use it until I don't like looking at the crack. DO NOT buy this battery on line. Never again.
    Images in this review
    Customer image Customer image
    Customer imageCustomer image
    One person found this helpful
    Report
    Reviewed in the United States on January 6, 2024
    Product Packaging: Frustration-Free PackagingVerified Purchase
    Reviewed in the United States on February 23, 2024
    Product Packaging: Frustration-Free PackagingVerified Purchase
    Reviewed in the United States on March 23, 2024
    Product Packaging: Frustration-Free PackagingVerified Purchase
    Reviewed in the United States on November 9, 2023
    Product Packaging: Frustration-Free PackagingVerified Purchase

    Top reviews from other countries

    Translate all reviews to English
    Juan Pedro Pérez López
    5.0 out of 5 stars Ya tengo la experiencia de comprar este producto y siempre es de gran calidad.
    Reviewed in Mexico on June 15, 2022
    Product Packaging: Frustration-Free PackagingVerified Purchase
    Customer image
    Juan Pedro Pérez López
    5.0 out of 5 stars Ya tengo la experiencia de comprar este producto y siempre es de gran calidad.
    Reviewed in Mexico on June 15, 2022
    Espero una excelente calidad aún faltando le la entrada baja me refiero a la segunda imagen. La batería solo viene con los dos polos y eso es todo.
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    Denis St. Louis
    5.0 out of 5 stars Depenabily
    Reviewed in Canada on February 17, 2021
    Product Packaging: Frustration-Free PackagingVerified Purchase
    One person found this helpful
    Report
    Mr and Mrs Wareham
    5.0 out of 5 stars Vbatteryery good
    Reviewed in Canada on January 21, 2023
    Product Packaging: Frustration-Free PackagingVerified Purchase
    That guy
    5.0 out of 5 stars great battery for running extras like air ride, electric fans, actuators and the like
    Reviewed in Canada on July 7, 2021
    Product Packaging: Frustration-Free PackagingVerified Purchase
    sergii
    5.0 out of 5 stars Thank you!!!!!!!!
    Reviewed in Canada on September 20, 2018
    Product Packaging: Frustration-Free PackagingVerified Purchase
    One person found this helpful
    Report