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Replace Hybrid Battery -- Where to buy dead battery to repair?

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Wayne Walter, Jan 4, 2017.

  1. jadziasman

    jadziasman Prius owner emeritus

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    WW,

    You can only buy brand new modules from Toyota who buys them from their supplier Primearth Energy. And you can only buy them 28 at a time (for Gen 2 and 3). No one, repeat NO ONE else has genuine OEM modules. Chinese knock offs are available but their quality and reliability is highly suspect. Maybe this is what eBay sellers are offering. Steer clear of that garbage.

    Some of us who own (and have owned) Gen 2s have been reading about HV packs for a couple of years or more and have concluded that brand new is the optimum solution for Prius' that have substantial remaining life in them.
     
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  2. Wayne Walter

    Wayne Walter Junior Member

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    Sam Spade.

    I plan to have 2 options to customers.

    1. Totally rebuilt battery with 4 years warranty to replace. This means ALL new modules. The price will upwards of $2,500. And I want to talk to discuss with an attorney about offering a payment plan over 1 year if I can somehow enforce payment.

    2. A reconditioned battery with 1 year of warranty. The prices will be comparable to others of similar quality and about $600 to $800. Personally, I will make it very clear that this means only replacing failed packs and so the others might go any time but I will take that risk for one year and replace it again and again with similar quality until the year is up. So I will recommend customers to choose a totally rebuilt battery.

    These two options will be because some people cannot afford $2,500+ on a properly rebuilt battery. Or they don't intend to keep the car long and don't want to put that much money into it. Everyone are adults and understand that you "get what you paid for".

    For me? I'm very happy with the service and help of the guy that sold us the reconditioned battery for my daughter's car. He was a real life saver at a point in our lives when a $3,000 or $4,000 battery was impossible. Paying $1000 for a battery that's guaranteed to last a year was much better than having a useless automobile, right?

    About Fire. That is covered by a person's on automobile insurance, isn't it.
     
  3. Wayne Walter

    Wayne Walter Junior Member

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    Thanks for this info. I want to find out where and how much brand new modules cost. I guess have to get brand new modules from a local dealer? Is there any better priced placed to get new ones? Or I guess I could shop around to different dealers.
     
  4. jadziasman

    jadziasman Prius owner emeritus

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    If you're one who'll do a DIY repair on your HV pack while far away from home, you just might be a redneck.
     
  5. jadziasman

    jadziasman Prius owner emeritus

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    The best option is buying online from a local dealership and picking it up at that dealership. One more time - you have to buy a full pack - they don't sell individual modules.

    Dealers will not ship them. Most dealers will not even sell to retail customers either because of potential liability claims from the widow of the electrocuted spouse who did a botched DIY repair. Frankly, I'm a little surprised by dealerships that do take that risk. Maybe they have the customer sign a form that frees them from liability.
     
  6. stockdaddy

    stockdaddy Member

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    Don't forget the can of spray paint for the battery cover. I'm voting for purple color just because its unique and the purple mattress commercial.
     
  7. stockdaddy

    stockdaddy Member

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    yep i might be.

    Some other redneck things i carry in my trunk. Tire air compressor, tire plug kit, lock picks and duct tape. Duct tape would have come in handy the last time i hit a deer so now i carry it me all times :)
     
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  8. bisco

    bisco cookie crumbler

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    o/p, you seem to know what you're doing, but also have a lot to learn. you should read through the battery rebuilding threads here, and give eric becky a call. he's an experienced rebuilder, respected member here and always happy to help people on the phone. all the best!(y)
     
  9. Moving Right Along

    Moving Right Along Senior Member

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    If you end up replacing every module, it essentially becomes a different battery pack, but not a new one. Batteries are affected by time and environment more than most other automotive parts. Buying and installing used battery modules is like buying used computer or phone batteries - they are going to have wear at the beginning and you won't know how much.

    Of course, you can have fun tinkering with used battery packs, and if you want, you can buy a new one from Toyota and install it yourself to save some money. That would cost more than your current plan, but work as a lasting solution.

    But if you replace individual modules as they fail from one used battery with another used battery, your daughter is likely going to have several times when her car dies and she has to wait for you to replace a module each time before she can go anywhere. You can say doing so extends the life of the car and saves you money, but all the down time while waiting for module replacements will make it less reliable in my book.
     
  10. strawbrad

    strawbrad http://minnesotahybridbatteries.com

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    That's what you need to start.

    You can search junkyards using Car-Part.com--Used Auto Parts Market

    The only source for new modules is a Toyota dealer. The list price is $2588. Independent repair shops usually qualify for 20%. That puts your cost for a set of new modules at $2070. If a set of 28 new modules could be bought for $1000 the battery rebuilding industry would just fade away.

    You have a lot to learn before you can build a better pack than the guy that had to do two warranty replacements within a year.

    Good Luck!,

    Brad
     
  11. Wayne Walter

    Wayne Walter Junior Member

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    Thanks Brad. FYI, One of his replacements was because our 12 volt Aux battery died and we didn't replace it right away. Apparently the car will lean on the HV battery in that situation and killed a couple of the cells. Some research seems to confirm that he's correct about that.

    Brad, you said, "you have a lot to learn". :) That excites me. I'm the kind of person her thrives on learning. I learned to speak 3 language fluently in addition to English and now working on Mandarin Chinese. I'm learning the electric guitar. I learned enough about medicine to keep my family healthy without visiting any doctors in many years. I learned law. I'm an electrician, engineer, learned psychology and healed myself and friends of trauma. etc. etc

    My enjoyment of building deep understanding of things like rebuilding batteries from both the physics involved in rechargeable batteries and the factors such as heat dissipation and balancing of the cells is most satisfying. I will go to great lengths and time to build deep knowledge that far exceeds most others who get into this kind of business.

    Yes. and part of the learning process is making mistakes.

    Also, thanks for the prices. I decided that reconditioned batteries are the way to go versus new ones based on your prices you quote for brand new cells. I will check with the local dealer in the morning.

    Why? Well for a long trip it will, of course, be bad to lose a battery but most people like my daughter just "putt putt" around town and if the battery starts throwing codes, there is the gas engine to help until a couple days to replace the battery. We usually rent a new car or even minivan when we want to go on a longer trip.

    Originally, I liked the idea of getting my daughter a used Prius at an auction for the excellent gas mileage. But with the cost of batteries, whether buying brand new for $4000 at the dealer or limping along with reconditioned batteries, it seems very little savings financially or maybe net loss. Apparently the Prius is more about caring for the environment than saving money.

    Still what I love most about the Prius is how gentle it is on the gas engine. In effect since the Prius uses both the electric and gas engine then it means effectively much less miles of wear and tear on the gas engine than an ordinary car. That is intriguing. And we have zero repair costs on the engine so far. And it has a timing chain that didn't need to be replaced. So maybe it's a fair trade to spend money on batteries instead of engine repairs or replacement like other cars. And the technology and learning about how hybrid functions is just so much fun.

    So you see, that in addition to love of learning, I think that I am struck with the love of hybrid technology and the Prius in particular.

    And when someone loves, loves, loves something, they can get really good at it -- that's been my experience.
     
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  12. Wayne Walter

    Wayne Walter Junior Member

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    Brad, thanks for the link to the used auto parts market!!!

    That's very kind of you.
     
  13. Wayne Walter

    Wayne Walter Junior Member

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    You're right about all this regarding "down time" except that's why I want to have my own spare to rebuild when she's driving for less down time. So that way she can drive the car when it starts throwing codes, while I'm rebuilding another battery for her to use next. Yes. it's less than ideal. But I don't see either solution as any good A) Buy brand new battery or all new cells for $2,600 and install them myself. B) keeping a space and rebuilding every time hers fails.

    The car itself is only worth about $4,500 resale value or less. The dealer installed prices of $4,000+ seems insane. And even $2,600 for brand new battery packs that install myself into a car that is 11 years old doesn't make sense.

    If I have any other brand used car worth $4,000 and needs a $2,5000 repair??? Will junk the car and buy another one. That's the cost of an engine replacement with a low mileage engine for other vehicles

    By the way, we are a family that loves driving used cars that are paid for due to the saving on car payments, new car depreciation, and automobile insurance costs. But maintaining them well so that the break downs are infrequent is an important goal.

    She owned this car 3 years and has only 3 repairs needs and none of them left her "stranded".

    That is a very reliable used car, in our book. It hasn't needed any other significant repairs during this time and only $1,300 repair costs so far.

    It's all a matter of perspective and what a person can afford. I see $800 and $1000 batteries selling left and right on the eBay sales history. so there is a market for people who don't want to drop $2,000 or $3,000 dollars to repair an old car.
     
  14. Wayne Walter

    Wayne Walter Junior Member

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    Thanks for the tips and about Eric!! Yes. I already read a number of entire threads on here and was thoroughly fascinated about the process of reconditioning cells. Swelling, heat, etc. etc. My plan is to get enough chargers to charge 12 cells at a time. Once I'm ready with most of my plan together, I will definitely give Eric a call and love any insight he can add. I do not believe in learning things the "hard way".
     
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  15. Wayne Walter

    Wayne Walter Junior Member

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    Thanks guys for adding this to my thread. You both gave me a great laugh and your reply stockdaddy had me ROFL.

    Duck tape. Who can go anywhere without that?

    But cannot picture how that will help with a dear.
    Oh of course, to tape of the deers legs so you can fit it into the car, right?
    My friends in Louisiana never fail to bring a deer like that home to eat.
     
  16. andrewclaus

    andrewclaus Active Member

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    The Prius has a very limited ability to do this. Though the Prius is technically a "parallel hybrid," there aren't exactly two separate parallel systems. The hybrid electrical system is essential for the transaxle to work, which is needed for ICE power to get to the drive train. A hard battery failure will strand the car. An astute driver can pick up on signs of failure--cooling fan operation, rapid changes in the state of charge.

    Thread drift: In my opinion, it's the hybrid transaxle that's the workhorse of the Prius, not the battery. The battery is very small compared to the vehicle, and the energy it contains is negligible compared to gasoline. The ICE does almost all the work, but it's transmitted through the transaxle with very high efficiency, because of the planetary system with its two motor-generators. The waste heat dissipated by the transaxle/inverter cooling system is a lot less than a standard automatic transmission (it's carried to the radiator by rubber hoses, not double-flared steel tubing). And of course the battery allows the ICE to shut off, and never idle. Again, this is just my opinion/conjecture, backed only by observation, helped by a very old degree in power engineering.
     
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  17. Wayne Walter

    Wayne Walter Junior Member

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    Yes. You're more technical on this than I am yet. But I am aware that driving a lot with a dead or dying battery can stress the transmission (if that's the correct term) and wear it out sooner. So keeping up a good quality battery is important.

    Reading the rest of your description was nothing short of fascinating.
     
  18. andrewclaus

    andrewclaus Active Member

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    I'm not convinced of that, though I suppose it's possible. I think marginally low voltage from the hybrid battery to the transaxle (basically the same as a transmission, though coupled with a differential) will only cause the ICE to pull more duty, not damage the transaxle. I can hear that every time I drive a hill as the battery charge declines. (Living in Colorado, I drive a lot of hills.)

    You mentioned earlier that a failing 12 V battery put too much load on the hybrid battery. That's an interesting thought and probably marginally true, though the 12 V charging load would be minimal compared to the driving load. It is known that a failing 12 V battery will cause a slight decrease in fuel efficiency.
     
  19. Sam Spade

    Sam Spade Senior Member

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    "Everyone" understands NOTHING.

    Anything you sell to another person carries SOME implied warranty against a negligent act on your part.
    Many people do not carry "full coverage" insurance, especially on a car old enough to need a new battery.
    Some people will try to legally blame YOU even if they have no cause for doing so.

    I think this will be a BAD idea.....unless maybe you have a ton of cash to back it up.

    And what kind of "engineer" are you exactly ??
     
  20. strawbrad

    strawbrad http://minnesotahybridbatteries.com

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    A good place to start your research would be to read every post made by Prius Chat member S Keith.

    Brad