New Battery for DB9 no vents
Discussion
Just received a new battery Varta 017 which is physically identical to the old one except it has a blanked vent hole (The actual battery plastic is over where it should be with an impression of the hole in it) on the +ve side and a hole with a recessed plastic plug with a slot on the -ve side. I cannot remove the recessed plug short of drilling it.
The original had a vent on the +ve side where the plastic elbow and hose were fixed and a blanked hole on the -ve side which has a plastic plug standing proud. The original also has a definite outline of the vent channels on the top of the battery.
Anyone have any ideas on this.
The original had a vent on the +ve side where the plastic elbow and hose were fixed and a blanked hole on the -ve side which has a plastic plug standing proud. The original also has a definite outline of the vent channels on the top of the battery.
Anyone have any ideas on this.
[quote=Good Soil (Pete)]Can I ask why it matters?....I'm intrigued as to why you are questioning it. Do you think you have the wrong thing?
[/quote]
If they were both blanked I would not have an issue but one wasn't but the recessed plug I was unable to remove and was wondering if I needed to try harder. I know that not all batteries are vented but there is a small risk of not venting a battery that should be vented.
I have to say that the vent tube was short and did not exit the vehicle at all so if the acid vented then it would have eat away at the cars floor pan.
[/quote]
If they were both blanked I would not have an issue but one wasn't but the recessed plug I was unable to remove and was wondering if I needed to try harder. I know that not all batteries are vented but there is a small risk of not venting a battery that should be vented.
I have to say that the vent tube was short and did not exit the vehicle at all so if the acid vented then it would have eat away at the cars floor pan.
Many of the modern current batteries do not have vents. Many are gel based particularly the AGM type. Varta have a wide range which fall into this category. So I would not worry at all if there is no obvious vent then it probably does not require one.
Additional info
AGM, or Absorbed Glass Mat Batteries
A newer type of sealed battery uses "Absorbed Glass Mats", or AGM between the plates. This is a very fine fiber Boron-Silicate glass mat. These type of batteries have all the advantages of gelled, but can take much more abuse. These are also called "starved electrolyte", as the mat is about 95% saturated rather than fully soaked. That also means that they will not leak acid even if broken
Additional info
AGM, or Absorbed Glass Mat Batteries
A newer type of sealed battery uses "Absorbed Glass Mats", or AGM between the plates. This is a very fine fiber Boron-Silicate glass mat. These type of batteries have all the advantages of gelled, but can take much more abuse. These are also called "starved electrolyte", as the mat is about 95% saturated rather than fully soaked. That also means that they will not leak acid even if broken
Edited by pilgrim7777 on Wednesday 23 November 09:23
Edited by pilgrim7777 on Wednesday 23 November 09:24
pilgrim7777 said:
Many of the modern current batteries do not have vents. Many are gel based particularly the AGM type. Varta have a wide range which fall into this category. So I would not worry at all if there is no obvious vent then it probably does not require one.
Additional info
AGM, or Absorbed Glass Mat Batteries
A newer type of sealed battery uses "Absorbed Glass Mats", or AGM between the plates. This is a very fine fiber Boron-Silicate glass mat. These type of batteries have all the advantages of gelled, but can take much more abuse. These are also called "starved electrolyte", as the mat is about 95% saturated rather than fully soaked. That also means that they will not leak acid even if broken
The Varta battery the OP mentions is not AGMAdditional info
AGM, or Absorbed Glass Mat Batteries
A newer type of sealed battery uses "Absorbed Glass Mats", or AGM between the plates. This is a very fine fiber Boron-Silicate glass mat. These type of batteries have all the advantages of gelled, but can take much more abuse. These are also called "starved electrolyte", as the mat is about 95% saturated rather than fully soaked. That also means that they will not leak acid even if broken
AGM's are smaller as they have a higher cold cranking ampage (CCA)
I looked at replacing the standard battery with an AGM one on my last Aston
http://www.pistonheads.com/gassing/topic.asp?h=0&a...
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