Reconditioning Hybrid Battery

Looks like they are leaking. Not good or safe.

 

Yeah or else you got something dripping in the back there but I doubt that's anything that's the viscosity of water. Put some on a q-tipping and touch it on your tongue or you might could even test it with a digital voltmeter I don't know but that's not acceptable over here that's for sure what's the tray look like that the rack sits on the silver thing hopefully it's not painted in its original You see any drips and white spots on the tray on the edge of the tray where the screws go in from the bottom to hold the modules? I'd probably try and round up a rack of balanced modules from somewhere there are people that sell them online all of that or you can try and round up individuals and all of that yourself to save a couple bucks absolutely whatever it takes

 

Old used modules are not really safe. They won't last forever.

 

I'm assuming this is an original Toyota battery case and as far as you can tell an original Toyota battery with the silver Toyota sticker on top of the case so on and so forth when you open the case and saw what you saw on top of any of the modules did you notice any writing this is commonly done when shops balance and recondition batteries they'll write notations and values usually on top of the module in like a sharpie marker or a sharpie thin line pen If you didn't see any of this we can pretty much assume that at least it was not professionally refreshed could have been done at home whatever and so your nuts look good but what about the copper bus bars that that kind of mileage they should be turning black black green getting that wonderful patina copper gets I couldn't see your case so you had no water droplets no rust spots none of that on the outside of the case where lots of water can run in through the trunk area and drop right on the tray that has the battery under it get through some places around that and drop on the battery? So it sounds like you pretty much have an original battery that nobody's messed with and you are probably the first one so now just take the modules that have the runoff or leaking stuff coming out of them and separate them off to the side how many are there four six? Round up six modules from somebody that sells them already rebalanced ready to go and then you'll be stuck doing what's left of yours so you may want to start working on the ones you have find out if any of those are going to fail then you'll need to order the four six that are leaking plus the ones you've managed to fail and write off then you might have a decent idea of what you're going to be looking at of course now the car is down in the batteries apart I'm assuming you have other transportation.

 

Unless you KNOW that the used modules you are getting are from a working pack,
you're playing wack a mole.
And you say they are leaking..... certainly those cells are not good.
The amount of money you'll spend trying to find good used one, is just not worth it.
And they trying to balance them, with a small charger... ????

At least get the Prolong system, or something similar.
Or save your money and get NEW modules, or a whole new pack.

It's your choice....

 

Testing strong acids with your tongue is probably not the smartest thing to do.

SM-A536V ?

 

I do it all the damn time and if that helps me get to my grave a little faster than sticking around in this nonsense so be it We are okay with it I'm like right at 70 now so we'll see how that works out. By looking at all the pictures here your bus bars were seriously a hindrance they need to be cleaned in a rock tumbler or sit there with a brush and a grinder or whatever it is you do to make them nice and copper again just like the plumbing pipe you see at home Depot on the rack copper colored shiny ready to rock and roll these bus bars and all that there they are not anything like that That's your problem that was holding up voltage moving across all of those modules so on and so forth maybe causing overheating in the middle of the pack all the stuff you see people here talking about when they're playing with these batteries so there you go usually when you see big deposits where modules have leaked in the center of the pack from overheating is a good way this happens what you see in the middle of the pack when you split the rack of modules open is this white powdery looking battery acid like substance like what battery acid does when you drop it on the driveway and let it dry or on a piece of metal and let it dry becomes a white powdery substance You stick your finger in it and touch it to your tongue it tastes like electricity if you will not going to hurt you now you spit. So once that's all cleaned up you can even take those little metal ends the sensors and all the pieces that the nuts hold on to the bus bars and dip those in various and sundry cleaning solutions and get those nice and clean also or you could replace them this is why you buy a new battery for the 14-1600 at least your bus bars all the sensors and the modules are brand new not near 20 years old and you're good to go for another stretch just like you're coming out of now or you play the whack-a-mole game and all of that because you have more time than resources either way good on you for getting it done.