2010 Prius Battery interchangeability

You should do more research as to WHY you are getting that code.
It doesn't always mean the hybrid battery is done.

But, you should get the sodium hybrid battery...

Toyota hybrid battery upgrade pack– NexPower Energy

 

And the Gen 3 vents shouldn't be any problem My generation 2 has a battery in it that was made just a year or two ago like when I bought it and it doesn't have vent nipples or the vent nipples on top of those prismatic modules is stopped up not opened up from the factory because they're ventless so when you slap it into your old car that has a vent and you stick those vent tubes on top of it because that's what you're supposed to do there's nothing venting out of the nipples going to the rubber tubes to go out of the chassis but you've done the right thing by hooking them up they just don't do anything and that's the end of that. I'm not going to tell you which battery to buy but venting is what you going to get away from I do imagine that's the modern way to go Just like events on the side of the AGM batteries are starting to disappear I mean the 12 volts so next your AGM battery vent tube will be just sticking in the hole in the floor and be connected to nothing oh well that's what happens when things modernize I guess

 

Yes, it will do.
When you buy a new battery, you are essentially buying a set of 28 new modules and a metal case in which these modules are housed. The new case may not have a hybrid battery control unit and a fan. Therefore, you need to remove 28 modules from the new case and move them to the old one.
A simple job of moving these modules to the old case will take about a couple of hours with a break for a can of beer. The main thing is to take a photo of everything as it was, and assemble it in the same sequence.

 

That's pretty much what I did for my 2010, although I moved the BSU and fan from the old assembly to the new, and not the modules from the new to the old.

 

Yes if you look on eBay you can buy the 28 modules racked up with bus bars and everything on them or not ready to go for around 6:50 699 what the heck ever these are rebuilt prismatic modules generally speaking that has been run through their paces 40 or so at a time most people that are doing this have equipment that can process multiple amounts of modules at one time any of them that fail and don't do whatever are generally by the good rebuilders set to the side and so on then when they have enough set to the side that they're not going to use they go to recycling or something soled off by weight whatever it is so there shouldn't be any problem getting a rebuilt pre racked set of modules

 

Often just a box and modules. Why overpay for something that rarely breaks.

Check with the dealer about the cost and completeness. I think it will be more expensive with the battery control unit.

 

Nope. Those have their own part numbers and need to be ordered separately if needed.

Much less work. To get to the old modules you first have to remove the BSU and fan, and once those are out you may as well just move them over to the new assembly.

 

This is what you get from Toyota.

It is much easier to add the controls.