Brand | OPTIMA |
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Size | 10 x 6-7/8 x 7-13/16 inch |
Product Dimensions | 6.88"D x 10"W x 7.81"H |
Number Of Cells | 6 |
Terminal | SAE Terminal |
Manufacturer | Optima Batteries |
Model | 34/78 |
Item Weight | 38.8 pounds |
Country of Origin | Mexico |
Item model number | 8004-003 |
Is Discontinued By Manufacturer | No |
Manufacturer Part Number | 8004-003 |
OEM Part Number | 8004-003 |
Amperage | 50 Amps |
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OPTIMA Batteries 8004-003 34/78 RedTop Starting Battery
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 |
Number Of Cells | 6 |
Terminal | SAE Terminal |
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About this item
- 12-Volt, 800 Cold Cranking Amps, Size: 10" x 6 7/8" x 7 13/16" tall, Weight: 38.8 pounds, Dual SAE & GM Posts
- Reserve capacity of 100 minutes for constant performance
- Optimal starting power even in bad weather
- This item is not for sale in Catalina Island. Battery Charger:13.8 to 15.0 volts, 10 amps maximum, approximately for six to twelve hours. Alternator:13.3 to 15 volts, no amperage limit
- Fifteen times more resistant to vibration for durability. Mountable in virtually any position. May include convenient carrying handle for ease of placement in battery holder.
- Completely spillproof, mountable in virtually any position
Frequently bought together
Compare with similar items
This Item OPTIMA Batteries 8004-003 34/78 RedTop Starting Battery | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | |
Price | $279.99$279.99 | $299.99$299.99 | $249.99$249.99 | $279.99$279.99 | $299.99$299.99 | $309.99$309.99 |
Delivery | — | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 |
Customer Ratings | ||||||
Value for money | 3.3 | 3.5 | 3.2 | 3.7 | 3.0 | 3.4 |
Longevity | 3.2 | 3.1 | 3.2 | 3.7 | 3.0 | 3.0 |
Easy to install | 4.3 | 5.0 | 4.0 | — | 4.3 | — |
Battery life | 3.4 | 4.6 | 2.7 | 4.0 | — | — |
Sold By | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com |
compatible vehicles | Passenger Car | — | — | — | Truck | Passenger Car |
size | 10 x 6-7/8 x 7-13/16 inch | 10 x 7-1/4 x 7-3/16 inch | 10-5/16 x 6-13/16 x 7-5/8 inch | 10 x 6-7/8 x 7-13/16 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 | SAE Terminal |
voltage | 12 volts | 12 volts | 12 volts | 12 volts | 12 volts | 12 volts |
number of cells | 6 | 6 | — | 6 | 6 | — |
battery composition | lead acid agm | lead acid | lead acid agm | lead acid agm | lead acid | lead acid agm |
weight | 38.8 pounds | 39.5 pounds | 32 pounds | 37.9 pounds | 37.9 pounds | 42.9 pounds |
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From the manufacturer
RedTop 34-78 shown above
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-labled or re-spec'd.
Gentlemen, Start Your Engines
The RedTop high-performance AGM battery is the ultimate starting battery designed to deliver a powerful burst of ignition power for a reliable start-up every time. It will withstand hard launches, extreme corners and is race proven for every road every day whether it's used as a truck battery, automotive battery, or for other applications. Its reputation as a truck battery or automotive battery is unsurpassed.
- Strong starting burst
- More than 15 times the vibration resistance
- Spillproof, mountable in virtually any position
- Maintenance-free with up to 2x longer life
- Faster recharging
- With impressive high-power delivery and extreme resistance to the most common causes of battery failure, the RedTop is ideal for trucks, SUVs, hot rods, street cars.
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?
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RedTopFor 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. |
YellowTopUse 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. |
BlueTopThe 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
Optima 34/78 RedTop is designed to deliver high power cranking ability even in harsh weather conditions. This battery is great for heavy use by hot rods and off-roaders with its leak-proof, high power, and starting ability. The unique SpiralCell design provides a strong and clean power source, ensuring the safety of you, your family and the environment. The higher reserve capacity gives you a longer shelf-life to give you the power when you need it, where you need it.Tested to exceed a continuous 200 amp load. For dual cable installation. Use with 6v or 12V Batteries. Long side Bolt Battery Terminal. Although these battery trays are used to replace stock battery trays, they are often used when relocating the battery to the trunk of the vehicle as well.
Product information
Technical Details
Additional Information
ASIN | B00075OSC4 |
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Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #44,659 in Automotive (See Top 100 in Automotive) #117 in Automotive Replacement Batteries |
Date First Available | October 19, 2005 |
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the value and ease of installation of the auto battery. For example, they mention it's worth every penny spent, and it comes with all you need to install it. That said, some complain about the warranty. Opinions are mixed on performance, fit, and quality.
AI-generated from the text of customer reviews
Customers like the value of the auto battery. They say it is the best value for the money, worth every penny spent, and a superior option compared to standard batteries.
"...construction, maintenance-free design, and versatility make it a superior option compared to standard batteries...." Read more
"...This battery was less expensive than the others and has a 3 year Free replacement from the Manufacturer...." Read more
"...The price on the battery was excellent, though it's likely due to a couple of considerations. First, the battery is covered by a warranty...." Read more
"...I've notice with the Walmart brand batteries is that the price is continuing to go up while the warranty is disappearing...." Read more
Customers are mixed about the fit of the auto battery. Some mention that it fits the car perfectly fine, while others say that it does not fit their car because the cables do not reach the connection posts. The battery comes with everything you need to fit it to your application and works perfect. However, some customers say that the fit was a little tight and that the battery will not fit in late 2007 Chevy Silverado pickup.
"...with its exceptional performance, makes it a suitable choice for various automotive applications, from daily commuting to more demanding driving..." Read more
"...and Miscellaneous Installation Adaptors which made it very easy to fit the battery in my 2008 Dodge Ram 2500 Cummins Battery Holder...." Read more
"...Because the interior is so small, I had a hard time getting out...." Read more
"...A bigger battery with high cranking amps. This battery is smaller and has just as much cranking amps as the bigger ones...." Read more
Customers find the installation of the auto battery to be very easy with a couple of basic tools. They also appreciate the hassle-free car maintenance experience, and the convenient terminal style that makes it easy to wire up heavy accessories.
"...which is perfect for someone like me who prefers a hassle-free car maintenance experience...." Read more
"...due to the seller services (Timely Shipping) and the product installation flexibility and Miscellaneous Installation Adaptors which made it very..." Read more
"...Very convenient." Read more
"Quality product and easy install" Read more
Customers like the brackets of the auto battery. They say it comes with five mounting brackets, side mounts built in, and multiple hold-down adapters. Some customers also say it has various lower hold down blocks and a vertical spacer. Overall, customers are satisfied with the bracket set.
"...It comes with several external brackets to use to secure the battery to your vehicle and one fit my truck perfectly...." Read more
"...I did like that the battery came with a lot of adapters to make it fit into different car battery wells...." Read more
"...It also has side mounts built in so you can mount it in any position." Read more
"I like the fact that it comes with multiple hold-down adapters for multiple applications...." Read more
Customers are satisfied with the acid leakage of the auto battery. They mention that it does not leak acid, has high-tech features, and is spill proof.
"...I like that it is sealed/spill proof and maintenance free...." Read more
"...They don't leak acid...." Read more
"...I was impressed with it (no acid leakage, no terminals to clean),i installed them in my Dakota, 5.0 mustang, and i just received one for my vette...." Read more
"...a vent and when using power - like your starter, they will leak acid out thru the vent when on their side...." Read more
Customers are mixed about the quality of the auto battery. Some mention it's a good battery, while others say that it no longer holds a charge and failed after 1 year.
"...Its impressive starting power, rugged construction, maintenance-free design, and versatility make it a superior option compared to standard batteries..." Read more
"...Garbage product (maybe I got a dud to be fair) with Garbage support...." Read more
"...and the product installation flexibility and Miscellaneous Installation Adaptors which made it very easy to fit the battery in my 2008..." Read more
"...Now it's installed I know I will have a reliable and long lasting battery" Read more
Customers are mixed about the performance of the auto battery. Some mention that it will perform well, is reliable, and long-lasting, while others say that it died during a slow turn.
"...Its impressive starting power, rugged construction, maintenance-free design, and versatility make it a superior option compared to standard batteries..." Read more
"...I jump started it, she drove home, but it died during a slow turn. I jumped it again and I drove it home. As I got into the garage it died again...." Read more
"...So far the engine starts PRETTY EASY." Read more
"...Now it's installed I know I will have a reliable and long lasting battery" Read more
Customers are dissatisfied with the warranty of the auto battery. They mention that there is absolutely no warranty, Amazon refuses to honor the warranty, and the battery won't hold a charge.
"...batteries is that the price is continuing to go up while the warranty is disappearing...." Read more
"...battery for classic cars that don’t get driven often and their warranty is piss poor" Read more
"Bought this June 30. It won't hold a charge. No warranty or return options available. Wasted money...." Read more
"...Zero customer service, zero warranty honor. My rating is minus 5 stars, avoid at all costs." Read more
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The first thing I noticed was the RedTop's impressive starting power. It delivers strong and consistent cranking power, which is especially noticeable in cold weather when my previous batteries struggled. This reliable starting power gives me confidence, knowing that my vehicle will start smoothly every time, regardless of the weather conditions.
Another standout feature is the battery's durability. The OPTIMA RedTop is designed to withstand harsh conditions, including vibrations and impact that would typically shorten the lifespan of regular batteries. This toughness is crucial for me, as I often drive in challenging environments where a robust battery is essential.
The maintenance-free aspect of the RedTop battery is a significant plus. It's a fit-and-forget solution, which is perfect for someone like me who prefers a hassle-free car maintenance experience. The sealed design means there’s no need to worry about checking water levels or dealing with leaks and corrosion.
The versatility of the OPTIMA RedTop battery is also commendable. It fits a wide range of vehicles, including cars, trucks, and SUVs. This compatibility, combined with its exceptional performance, makes it a suitable choice for various automotive applications, from daily commuting to more demanding driving conditions.
The design of the battery, with its distinctive red top and clean, modern lines, adds an aesthetic appeal under the hood. While looks might not be the primary concern for a car battery, it’s a nice bonus, adding a touch of style to the engine bay.
TL;DR: The OPTIMA Batteries 8004-003 34/78 RedTop Starting Battery is a standout choice for any vehicle owner seeking power, durability, and reliability. Its impressive starting power, rugged construction, maintenance-free design, and versatility make it a superior option compared to standard batteries. This battery isn't just a component; it's a key to a worry-free and powerful driving experience.
I have seen many 5 start reviews of the performance. I have also heard many positive reviews. I will wait for a while to write any performance review for it. So far the engine starts PRETTY EASY.
They entirely blew me off, said "sounds like sulfation, sulfation is normal, warranty is up to the retailer". So, a "high end" $270 "spiral wound" battery crapped the bed in under 9 months and the manufacturer says "happens, not my problem". Luckily Amazon understands customer service and sent a replacement. Five star Amazon experience, zero stars for Optima.
So, I've been buying car batteries for maybe 40 years, and across my fleet I probably buy 2 or 3 a year. This was the first and last Optima I will ever buy - Not only will I boycott the brand but I will badmouth their horrible support to every racer, gearhead, weekend warrior, car enthusiast and offroader I come across until the end of my days. Garbage product (maybe I got a dud to be fair) with Garbage support. I may Fedex the defective product I got to their CEO with a copy of this review as a wakeup call to fire their support policy makers. I've never had even a cheapie battery die this quick, and even the Chinese knockoff battery vendors stand up to their warranties!
I would have honestly been OK with just getting a discount on a replacement because stuff happens and we are headed to a recession - but they just told me to pound sand. Optima is dead to me now.
UPDATE: replacement that Amazon sent died at 12 months and 2 weeks. Garbage product, stay away.
I say that it will last longer because a friend of mine had one in his Ford 1 ton van for four years and one night he left lights on and it died. It was completely dead, not even the done light went on. So he left me with this battery and bought another. I took his battery and cleaned the terminals and put it on my charger on 2 amp trickle for a week. When I came back to check on it it was fully charged and held a charge under load. So I put it in my truck and used it for another 2 years until it was down to holding 75% charge. I still use it for running 12 volts pumps and its been 7 years total. If that's not a good battery I don't know what is.
I say that it will last longer because a friend of mine had one in his Ford 1 ton van for four years and one night he left lights on and it died. It was completely dead, not even the done light went on. So he left me with this battery and bought another. I took his battery and cleaned the terminals and put it on my charger on 2 amp trickle for a week. When I came back to check on it it was fully charged and held a charge under load. So I put it in my truck and used it for another 2 years until it was down to holding 75% charge. I still use it for running 12 volts pumps and its been 7 years total. If that's not a good battery I don't know what is.