what's the OEM battery on the Evo X
May 21, 2009, 05:47 AM
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what's the OEM battery on the Evo X
When I picked up my car [Evo X MR] the battery was dead so the dealer got a new batter from Firestone: Duralast Gold.
Today I came across this:
What's the OEM battery?
My guess is that the OEM battery is not a Duralast so how can I check whether the Duralast replacement battery is a "VRLA" and not a "standard type" battery?
I would ask the dealer but they did not seem to know much about the Evo in general so I doubt they'd know anything about the battery.
Today I came across this:
The sealed Valve Regulated Lead Acid (VRLA) has special valving to vent gases from the compartment through a vent hose. DO NOT replace the VRLA battery with a standard type battery. The correct replacement is available through the Mitsubishi interstate battery program.
My guess is that the OEM battery is not a Duralast so how can I check whether the Duralast replacement battery is a "VRLA" and not a "standard type" battery?
I would ask the dealer but they did not seem to know much about the Evo in general so I doubt they'd know anything about the battery.
May 21, 2009, 06:24 AM
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Some people (like me) got a panasonic gell battery. The prefered replacement is an optima red top. Sounds like your dealer is doing something shady. I bet someone kept the replacement red top for themselves and walked to autozone for your battery. Go forth and raise hell.
May 21, 2009, 07:15 AM
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Is the Optima Red Top a "VRLA" battery? My main concern is to make sure the the Duralast that I have or any battery I decide to use, is VRLA. Supposedly, this is necessary because the battery is in the trunk so it needs this special battery with a vent hose so that the gases are not trapped inside the vehicle.
May 21, 2009, 07:24 AM
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Is the Optima Red Top a "VRLA" battery? My main concern is to make sure the the Duralast that I have or any battery I decide to use, is VRLA. Supposedly, this is necessary because the battery is in the trunk so it needs this special battery with a vent hose so that the gases are not trapped inside the vehicle.
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May 21, 2009, 08:13 AM
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Here are some important points between a gel battery and a AGM battery:
"Both are recombinant batteries. Both are sealed valve-regulated
(SVR) – also called valve-regulated lead-acid (VRLA). AGM batteries and gel batteries are both considered “acid-starved”. In a gel battery, the electrolyte does not flow like a normal liquid.
The electrolyte has the consistency and appearance of petroleum
jelly. Like gelled electrolyte batteries, absorbed electrolyte batteries are also considered non-spillable – all of the liquid electrolyte is trapped in the sponge-like matted glass fiber separator material.
The “acid-starved” condition of gel and AGM batteries protects
the plates during heavy deep-discharges. The gel battery is more
starved, giving more protection to the plate; therefore, it is better
suited for super-deep discharge applications.
Due to the physical properties of the gelled electrolyte, gel battery
power declines faster than an AGM battery’s as the temperature
drops below 32ºF. AGM batteries excel for high current, high power applications and in extremely cold environments."
It's pertaining to the last point is why I run an AGM battery because of the cold Winters we have up here in Mass.
"Both are recombinant batteries. Both are sealed valve-regulated
(SVR) – also called valve-regulated lead-acid (VRLA). AGM batteries and gel batteries are both considered “acid-starved”. In a gel battery, the electrolyte does not flow like a normal liquid.
The electrolyte has the consistency and appearance of petroleum
jelly. Like gelled electrolyte batteries, absorbed electrolyte batteries are also considered non-spillable – all of the liquid electrolyte is trapped in the sponge-like matted glass fiber separator material.
The “acid-starved” condition of gel and AGM batteries protects
the plates during heavy deep-discharges. The gel battery is more
starved, giving more protection to the plate; therefore, it is better
suited for super-deep discharge applications.
Due to the physical properties of the gelled electrolyte, gel battery
power declines faster than an AGM battery’s as the temperature
drops below 32ºF. AGM batteries excel for high current, high power applications and in extremely cold environments."
It's pertaining to the last point is why I run an AGM battery because of the cold Winters we have up here in Mass.
May 1, 2010, 02:42 PM
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Is the vent important??
My battery was dying out so I changed it. I went from a Optima Red Top to another Red Top (34R), issue is that the original Red Top has a connection for the vent, this new one doesn't; is it a big deal? Car started and ran fine.
