Duralast Platinum 12V Q

Does the replacement have an orifice for the tube?

 

The Duralast Platinum is an AGM (absorbed glass mat) battery with two recombinant catalysts. Although it has a port for a vent, it appears to be sealed off. Most all AGM batteries are sealed.

If your battery didn’t come with a male tube fitting to connect a vent tube to, I would not worry about it.

I had the same concern when I switched my battery out (to a Yellow Top) and had no place to attach. The vent tube to.


iPhone ?

 

Yes, the only job a 12v has is to turn the computer on, which turns the hybrid battery on, which then sends a ~14v charge to the 12v until the car is turned off. So a really awful 12v can run for a really long time in a Prius. Even batteries as bad as Optima will work for a while...

As for the hose, this is a safety feature for venting that we don't have evidence of it ever being used in a Prius, but we been arguing about it's value vs. irrelevance for 7 years on PriusChat. I'm on the don't worry about side of the debate.

 

Get to it when/if you can. If she ever complains about rotten egg (sulfur) smell have her bring it in to get connected.

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Equally important is being sure that the tube is routed the same way the original was.......to the outside of the passenger compartment.
A tube that is too short is the same as no tube at all.

BUT.....it really isn't worth worrying about.
In normal operation, the battery IS fully sealed; the tube is connected to a pressure relief valve.
The valve is designed to open ONLY under extreme conditions.....like a HUGE overcharge going to the battery......or a BAD accident.
Pretty much anything that will cause the battery to vent should also cause the passengers to abandon ship because of other more pressing factors.

Do whatever makes you feel best, the next time it is convenient.

 

Easy, go to AutoZone and check...

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Even if it does have a hole/port that is currently plugged, it likely will not have the bayonet type mating that the elbow requires. But you can likely fashion a converter of sorts from some vinyl tubing that will jam into the port in the battery and over the elbow of the vent tube.

As others have said it is more of a fail-safe that kicks in in the event of a catastrophic event. I'd look into it when convenient and decide how to proceed. Your call, your daughter.

 

@dolj - AGM are quite common in European cars here in the US. I haven't run across an application where there wasn't a hole in the proper position, (I've seen that complaint on forums), nor have I come across a situation where I couldn't simply plug in the old connection into a new battery. LiFePO4 does not have a hole I left the tube right next to where it would be. There have been cases where there was a tiny black plug in the vent, in which case carefully pull it out and plug the other side. The other case is the plug is red and is molded with the positive (red cover). You just twist it off and plug the opposite side to where the vent tube is.

This is a thread on Benzworld:
Mercedes AGM Battery Concave (sucked in) ? | Mercedes-Benz Forum

I found it strange to see it but went to our dead battery from a '13 Porsche Panamera and found the same convolutions in the walls. (I hadn't noticed them). They do vent gas when overcharged.

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Umm, ok.

 

That thread shows that they do vent gas. That's why the casing deforms as what's left is a vacuum once the battery cools down. Do you want that venting into the cabin of a Gen 2, no, not if possible.

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