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Availability:
Only 10 left in stock, order soon!
Arrives
Friday, Oct 30
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At a glance
- Condition
- New
- Model
- 8171-767
- Dimensions
- 5.96"D x 9.94"W x 8.94"H
- Weight
- 26 lb
- Vehicle Service Type
- Passenger Car, Truck
- Size
- 9.94 x 5.06 x 8.94 in
- Voltage
- 12 volts
- In the box
- Battery
Features 5
- BATTERY SPECS: 12-Volt, 450 Cold Cranking Amps, Size: 9 5/16" x 5 1/16" x 8 15/16" tall, Weight: 26 pounds, SAE Post, C20 Capacity: 38 AH
- RESERVE CAPACITY of 66 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. It also functions well as a forklift battery, tractor battery, or for other applications.
Specs 24
| Brand | OPTIMA |
|---|---|
| Vehicle Service Type | Passenger Car, Truck |
| Size | 9.94 x 5.06 x 8.94 inches |
| Voltage | 12 volts |
| Battery Cell Composition | Lead Acid |
| Item Weight | 26 pounds |
| Product Dimensions | 5.96"D x 9.94"W x 8.94"H |
| Terminal | SAE Terminal |
| Item Highlight | Dual Purpose Car, Truck and SUV Battery, 450 CCA, Maintenance Free, Versatile Mounting, Fits Select Prius Models |
| OEM Part Number | 8171-767 |
| Compatible with Vehicle Type | Passenger Car, Truck |
| Automotive Fit Type | Vehicle Specific Fit |
| Item Dimensions D x W x H | 5.96"D x 9.94"W x 8.94"H |
| Battery Type | Lead Acid |
| Brand Name | OPTIMA |
| Manufacturer Part Number | 8171-767 |
| OEM Equivalent Part Number | 8171-767 |
| Model Number | 8171-767 |
| Manufacturer | Optima Batteries |
| UPC | 721112819877 |
| Global Trade Identification Number | 77, 27 |
| Number of Items | 1 |
| Item Type Name | Lead acid battery |
| Manufacturer Warranty Description | Manufacturer Warranty |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Oct 30
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
Perfect fit and a 100% replacement for 2007 Prius - 5 years 11 months of trouble free life
Update: 2021-Feb-03 I installed the battery on March 14, 2015. Somewhere between Dec 17, 2020 and February 1, 2021 after sitting all that time in the brutal winter snow while I was away the battery finally gave up its life. It was putting out 1 volt when I measured it with the temperature at -5C. This battery lasted me almost 5 years and 11 months. The downside is the price is now $249.00 vs $169.74. The Prius has more than 222,000 miles on it and this battery has been there since about 78,000. Still I will be getting another - Great job OPTIMA! ---------------------- 2007 Prius wouldn't start after a brutal 2015 winter in PA. The original battery would not charge and voltage was only 6 volts. A major hometown chain wanted $222.00 plus a core for exchange. I went back home and saw the exact same battery for sale on Amazon for $169.74. It arrived in two days though it was initially out of stock. These batteries are stored inside the car's passenger compartment and are designed as to be leak free unlike standard batteries. These batteries appear to be permanently sealed. The battery went into the Prius without much of an issue and was a perfect fit. All connectors fitted properly. I did find the thick sliding plastic handle a bit troublesome since it could not be detached. Make sure everything is beneath the handle and all will fit fine. The original had a fabric handle and it would flatten easily. Battery was fully charged on arrival according to the charger. These batteries are deep cycle. Best to keep any secondary charging before use to 2 amps or less or use a deep cycle charger to prevent damage if it needs charging. It took about an hour to get the job done. BTW if you hook a jumper cable to the emergency jumper under the hood while exchanging the battery you can keep all your presets and other personal info in the computer system. If you fail to provide power while changing out the battery in the rear you might have to go back and reprogram everything - even bluetooth.
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Reviewed in the United States on March 13, 2015 by Data Scourge
Works great & easy to install
Works great & installed okay. A little bit wider than my original by nearly 2 inches, from the positive terminal to the negative. The height and depth were the same. It fit okay, the negative terminal is closer to the back wall of the car than the original, but not a problem. The air hose popped on no problem, but it is a snug stretch. Everything clamped down okay like it was before. Took a little over an hour due to heart burn from leaning over. But there's a video of someone changing it out in about 5 minutes. My battery even had over 12 volts already. My original 2008 battery lasted 7 years. I probably could have kept using it even though it only had about 10 volts because it kept working if I didn't blast my music, but I've drained it multiple times within the last year by pumping my music too loud and draining the battery below the threshold of starting the car. My base model 2008 Prius has some nice speakers that really kick out some thumping bass. ;) I haven't seen any MPG gain over my old battery as some people claim. But it does feel a bit more responsive, like it has more power when you have to punch it to pass someone. To check your battery voltage without a volt meter, press the start button without pressing the brake to turn on the accessories without power to the car. Press and hold the Display button while tapping an empty area on the left side top and then bottom 3 times making a total taps of 6. You'll need to tap through some menus to get to the battery voltage. Do a Google search to find how to properly get to that menu, because there's also another way by using the head lights switch too. All in all a great buy and easy to install.
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Reviewed in the United States on October 25, 2015 by T. Ledoux
Great battery for Gen II Prius
My original battery started acting up after 6 years, which was pretty good life in a car. If I left any accessory on after stopping the car, the prius computers were likely not to boot on the next try causing me to have to jump start. It seems as the only two options for the Prius Gen II are the factory battery, or this one. I have used Optima car batteries in the past and liked them, so it wasn't a hard decision. The battery is an exact fit space wise. It is physically a bit bigger than the 24ah battery it replaced (no smart key option on my car.) That size difference doesn't affect the install as the bracket adjusts in the car. The posts line up and are the correct size, and the vent connector plugs right in, no issues. Installation was a bit more involved than on the average car, but only took me about 30 minutes, taking my time. I just removed the carry strap that the Optima has, it just slides off easily. Performance of the battery is outstanding, this is what the Prius should be equipped with in my opinion. It is a true AGM battery, can't spill and doesn't need to be maintained in the tough location on the Prius. The car's mileage has picked up by a few MPG now as the internal resistance of this one is probably much lower and takes a charge faster and easier and the car doesn't waste energy trying to top off the original battery that would no longer take a full charge. When I power off the car now, even that water pump that kicks in to save hot water to the vacuum bottle runs faster. I highly recommend this battery as a replacement.
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Reviewed in the United States on May 6, 2012 by jha
Updated review - Piece of junk. Stopped working at 1 year and 4 months.
Optima Batteries 8171-767 (DS46B24R) YellowTop Prius Battery Updated review in August 2018: In June 2018, one year 4 months after I purchased the battery, it stopped working. By that, I mean it doesn't hold charge even after it's been jumped. After much anxiety and attempts at GoodBoys and other body shops (by the way, no one wants to touch a Prius), I finally gave in and have a new battery installed at a local Toyota dealer, at which point I was told that one of the nodes was broken for some reason and I suspect that's the reason for the issues I was having. Speaking of claiming the warranty, it was not a smooth sailing either. Fortunately, I got my refund in the end. If you are in the same shoes, just be adamant about having Amazon (if Amazon was the seller) refund to you until you talk to the right person (the problem with off-shore service center). Refer to the return policy in the Automotive Items section, and you'll know you are well covered. Bottom line, I do not recommend this battery. *************************************************** My 2010 Prius does not get to be driven a lot. After coming back from a trip, I realized it could not be started. At first, I suspected that I had left the light on. Then the episodes came more frequent. Some online research led me to understand that Prius has a separate 12V battery just for starting the car and the warranty expires after 4 years or so (I don't remember the exact amount of time). After agonizing over the fact that I'd fork out a few hundred dollars (depending on where you have it done) to have a new battery installed, I finally made the purchase at the point where the battery simply did not hold any power anymore. My purchase decision was made based on online review of YellowTop batteries. Supposedly, they hold better power than the OEMs that they use at the Toyota dealership (and it costs a couple of hundred dollars to have it installed). I also found a nice YouTube video that shows exactly how to remove the old and install the new battery. The most challenging part is probably finding a 10mm wrench. :-) Overall, the installation took about an hour. It's been in my car for about one year. Fingers crossed it still works in the next few years.
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Reviewed in the United States on March 27, 2018 by TheFreeMinder
Excellent alternative to blowing $350 or more
***Updated 5/10/2017*** see items 9 and later 1. My 2005 Prius started giving me a red triangle occasionally a couple of years ago. It got more and more frequent, with an on-screen message to put the car in P on a level surface. At the time, I did a little bit of research and saw some posts indicating that it may be the battery, but the car would eventually start (turn off, then back on) and I blew it off. Independently, I thought my gas mileage was going down but I wrote it off as imagination and bad driving habits. 2. Some posts wrote about how to test the battery output by pressing Menu and cycling the headlights three times. I was dumb enough to do that with the car on, so I was testing the voltage of the alternator. Do it in Accessory mode (no foot on the brakes when you power up). The new battery puts out 13.1. If you're lower than 12 after driving for a few hours then you need help. When I finally did do it with the car in Acc mode, the computer would shut down. I was thinking "bad computer," but "bad battery" was the answer. My battery couldn't even put out enough juice to run the computer. 3. The battery flips the high-voltage relay, runs the lights and computer and various other things--including the rear hatch release. If you don't replace it while there's still a little juice, you will need to go on a diet and climb into the back with the rear seats down to release the hatch. It also runs your smartkey system, and that's a real drain on it. When you first start having problems, turning off the smartkey (button under the steering column) is a very good idea. Also, leaving the headlight switch in the on position causes some drain and immediately puts a heavy load on the battery, so turn it off before starting the car when your battery is weak. 4. Two AAA calls in the last couple of months sealed it, and I ordered the battery. Caution: Though I think the shipping is as fast as it can be, the battery cannot be air shipped so it took longer than I expected (seven days to receive). It finally arrived at the house while I was stuck in the Costco parking lot waiting for AAA for the third and final time. The battery was very well packed in a box with foam balls (not messy foam, though) and a sturdy foam protector top and bottom. 5. Installation took me an hour. There are a few great videos on YouTube. The hardest part is probably cleaning out the back of the car. You pull the carpet, pull the cargo cover, pull out the cargo tray and start going. You need a 10mm and 12mm socket, and nutdrivers in the same sizes are very useful. My advice to the installer is to be patient and careful. You don't need to force anything on or off (except the High Voltage vent cover which is strong plastic) so if you're in a position where something isn't moving easily you should stop and re-think. 6. After installing, my car started right up. Some people may get these batteries discharged, but mine had plenty of juice. The car "felt" better to me when it started--it may be imagination but I really think the lights are a bit brighter. 7. Finally, the surprise. My mileage jumped about three MPG. I finally reasoned that the alternator has to work hard to put a charge in the dead battery, which affects mileage. 8. Conclusion: the best $180 I've spent on my Prius. 9. I had to replace the first Optima battery. My car sat in the driveway for nearly two years without even starting it—a mistake I will never make again. 10. A comment on manually opening the hatch: you have to reach very deep to contact the lever. I have long fingers, but I was still almost to my knuckle before I felt it. There are decoy pieces of metal protecting the lever. You'll know when you're touching the lever. Also, I recommend having a confederate standing outside to pull up the hatch. It's surprisingly difficult to get leverage when you're down there. 11. Watch several of the installation videos on YouTube before commencing. You need a 10mm and a 12mm socket. You will need a deep socket for the 12mm because you'll be removing a nut from a tall threaded post. 12. Take frequent pictures as an aid for reassemble the car. 13. There are a couple of bolts that are close to black holes. Be careful when removing and when reinstalling the bolts. If you can get your hands on one, a magnetic socket set is very worthwhile. If you don't have a whole set, order the sockets a la carté. Good luck!!
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Reviewed in the United States on March 7, 2013 by Ilovemath
Optima
I own a 2004 Prius. I bought another in 2005 for my wife. We are definitely NOT "tree huggers" but love the rock solid mileage (51-54mpg), utility and quality of the car. The only exception is the poor quality 12 volt battery and how it is engineered into the bottom rear of the vehicle. The car definitely deserved the MotorTrend 2004 Car of the Year. The 200+ volt NiMH batteries on both cars are still fine. However, I've had the dealership replace the 12 volt battery twice in my car and once in my wife's to the tune of $200 each time (that's $600 in 12V battery replacements in the past 8 years). Again, this is the small 12 Volt Battery, not the "hybrid" battery. It seems that the stock 12V batttery, which is not even used to start the engine & is really sensitive to heat and deep discharge, is the only item in the Prius that's definitely sub-par. The rest of the car if solid & a marvelous piece of technology & durability. I finally got tired of paying the dealership around $200 each time to replace the crappy stock battery with another new crappy stock battery. I shopped in several auto parts stores and Sears (Diehard) & Walmart. The 12V battery for the Pruis is really hard to find. The only aftermarket battery that's not a stock is this Optima Yellow (deep cycle) S26b24r. It has been specifically designed with the smaller (Japanese standard) posts to fit the Pruis so there's no need for the adapter kits. If you haven't changed out a 12V battery in a Prius, you won't believe what a relative pain it is. I'm mechanically inclined and have changed out many 12V batteries in other American and Japanese cars taking about 3-5 minutes each time (I'm slow). The Prius battery change is a whole new experience! It took me around an hour to replace the battery. (I now know why the dealership charges so much for labor to replace the Prius 12v battery). This Optima Yellow fit PERFECTLY in the remarkably tight space in the bottom rear left corner of the Prius. So far, so good. The Optima has a wound AGM mat instead of the flat lead plates and is sealed & maintenance free so that it should be more durable. It also has a larger capacity than the stock battery, so it should power more of the 12V electronics longer. We'll see. This battery at Auto Zone was for sale at $280 - that's right two hundred eighty dollars + tax! I bought through Amazon at Battery Mart for around $180 with free shipping and no (8.75% California) sales tax. A comparative bargain ($124 savings). It arrived from the east coast in about 3 days. I'm really happy with Amazon and Battery Mart. In the next 4-5 years, I'll see how happy I am with the battery itself. These Optima batteries have a good reputation in the marine & RV applications where deep cycle is needed.
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Reviewed in the United States on May 29, 2012 by JT
Perfecta para Toyota Prius C año 2014
Excelente producto, encaja perfectamente, aunque es un poco más larga que la original de Toyota para Prius C año 2014
Reviewed in the United States on August 19, 2026 by Erik Rodriguez
Fits like a glove, exact size!
One evening, after I turned off my 2010 Prius I was unable to lock it with the door handle touch feature, key fob or rear hatch button. All I heard was an electronic grunt from the lock mechanism. When I tried to start the car with the power button, the speedometer panel indicated a "P lock malfunction". The park button light was flashing on and off. After doing a search online, it turns out the 12 volt battery was failing, so I disconnected the 12 V battery in the rear hatch cargo area for about an hour and then reconnected the battery. I was able to start the car after the computer rebooted, but once I got the car back home and in our garage, it failed completely. No amount of battery charging revived the battery. This replacement battery fits perfectly in my 2010 Prius 3rd gen, including the vent tubing off the battery. I'll update this post if I have any issues with its performance, but so far so good. The factory equipped battery lasted for 5 years and 3 months and gave me no indication of an impending failure, so I suggest replacing it before it fails since all stored mileage data is lost after the battery fails. UPDATE: 6 years 2 months later still working fine! Better than OEM by a year +! UPDATE: 7 years 7 months still working just fine.
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Reviewed in the United States on March 3, 2016 by P. Giralte