WHO TO BUY MODULES FROM?? I need 5???

What kind of "modules" exactly ?
I suspect that you mean individual battery cells and a quick search on here should find some sources that have already been discussed.

If you have had 5 battery cells go bad already, now long do you think it will be before more fail ??
Hint: Odds are, not too long.

 

No actually the OP is quite correct, he means modules. A Prius II battery consists of 28 modules that contain 6 cells each; for a total of 168 cells that make up the battery.

In addition each pair of modules are grouped into blocks (14 of them) that are monitored by Techstream.

 

I have modules.
But if you need 5 that seems like quite a bit more than usual.

Feel free to contact me directly.

 

Don't buy modules off ebay, chance of getting bad ones again is very high........buy them from this guy ^^^^^^^

I also agree though, if you need 5 modules then heat/usage has probably killed your pack so you many want to look into a complete rebuild or replacement.

 

Except that the car may also have OTHER things that are called modules.
He should have specified BATTERY modules.

 

I think everybody that read this post knew he wanted battery modules. Even you knew without him telling you specifically its battery modules.

 

Changing modules, especially 5 of them, is kind of like playing whack-a-mole. It will fix the problem until the next one fails. It's best to either replace the pack with a new or reconditioned one, or to recondition it yourself. Once you do the reconditioning, you may find that you need more than 5. It's usually only 1 or 2 that fail. Whack-a-mole is OK if you enjoy pulling that battery out and admiring it on your workbench or if you absolutely don't have any other options because of limited funds.

 

Could you expandl on this type of maintenance? Cost, time, ease of repair, etc.

 

Hi Anthony. That's a trick that I've seen several ebay sellers use when they have zero stock on an item. Instead of removing their listing they prefer to just put a ridiculous price on it instead. So in this case I would read that $999.99 as code for "none currently available" from that guy.

 

Even if "for good" means something short of forever.......

It is HIGHLY unlikely that all of your time and investment will really change anything long term.
It just postpones the inevitable. NO battery lasts forever, no matter what you do to it.

 

what the point?

 

where did you wind up getting modules?

 

You can buy complete reconditioned batteries for around $1400 or so with 3 years of warranty. Spending $400, plus buying probably as many as 28 battery modules in the foreseeable future, plus putting in all the work, plus ending up with a battery with very unbalanced modules, doesn't seem to be a great deal.

I also suspect that if the Prolong system works at all, it would only extend the life of a *new* battery pack. Once a battery cell or module is work out, it is pretty much dead for good. The actual failure is, as far as I understand it, a one-way chemical reaction that cannot be reversed electrically.

If that wasn't the case, this prolong system would be very popular with laptop owners.

 

I think you may have a fundamental problem; the supply of these modules is likely to dry up. In the past, these modules came from wrecked fairly new cars. But today, even the youngest Gen 2 Prius are eight years old. Those on the road are either already on their second battery (often with refurbished cells), or the battery pack is about to die.

I vaguely recall reading that so far, only Toyota/Panasonic are permitted to make these modules, but that may be due to some patent protection that is about to expire. If that is true, we may soon see third-party companies making compatible *new* battery modules. But please don't consider this as fact - it's a mix of rumor and speculation.

 

Your theory just shows you don't have a very good grasp of the reconditioning process. If you had to replace more than 3-4 modules, it is likely you would need to look at a replacement battery of some sort, whether that was a salvaged (better option) one or a reconditioned (worse option) one.

It is certainly better to start the earlier than later, but you can get good results, without having to even open up the battery (one of the attractions of this option), as long as your HV battery is not "on death's door".

Laptop batteries are typically Li-Ion, a totally different beast.

 

I find that if you ever need to buy a salvage battery you are best off getting a low mileage one from a rural very cold climate (AK,ID,MI,MN,MT, etc) and have it shipped to where you are (esp if you live in hotter states). Heat kills these batteries as does city driving (confirmed through testing) so the chances of getting another one going south (even if they are lower mileage) is far greater at southern salvage yards. The one I got for my Highlander was from an 06 (mine is an 09) with only 40k miles on it when wrecked and the battery is literally functioning like new after just grid charging with the Prolong setup.

 

Was that directed at my post ??

My point IS.....that batteries operate on a chemical reaction cycle.
Mainly because the reacting materials are not absolutely pure, some contamination works it's way in over time and the relative concentration of the reacting chemicals goes down........or the chemicals are "used up" when undesirable compounds are formed.

Thus, there really isn't anything you can do to "rejuvenate" a battery cell without taking it apart and replacing the reacting chemicals with fresh stuff.

Manipulating the charging and discharging by applying various external voltages to the weakening cells might APPEAR to bring them back to life, that is mostly an illusion and is at best short lived.

Thus, when enough cells start to fail so that it is obviously AGE and not just manufacturing flaws, replacing them a few at a time is just wasted time and effort and money in the long run.