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#4665050 - 02/13/18 06:08 PM Whatever happened to the battery eye?
y_p_w Offline


Registered: 05/06/05
Posts: 3650
Loc: SF Bay Area
I haven't seen one in a long, long time. Maybe in OEM batteries, but I don't think the last two I've replaced had them.

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#4665053 - 02/13/18 06:09 PM Re: Whatever happened to the battery eye? [Re: y_p_w]
CKN Offline


Registered: 10/14/14
Posts: 3686
Loc: Utah
It's the same thing that happened to the transmission dipstick........


Edited by CKN (02/13/18 06:10 PM)

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#4665068 - 02/13/18 06:20 PM Re: Whatever happened to the battery eye? [Re: y_p_w]
Donald Offline


Registered: 03/21/04
Posts: 20447
Loc: Upstate NY
It only checked one cell. You need something more than the state of one cell.
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#4665070 - 02/13/18 06:21 PM Re: Whatever happened to the battery eye? [Re: y_p_w]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 2731
Loc: Wet side WA
Racist!
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Out: QSUD 5W-30 Purolator One 5030
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Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73752 4-22-18

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#4665078 - 02/13/18 06:30 PM Re: Whatever happened to the battery eye? [Re: y_p_w]
mk378 Offline


Registered: 09/27/15
Posts: 1414
Loc: USA
It was mostly for the dealer to use when evaluating the battery for warranty.

Eye dry : replace
Green ball sunk : charge, then load test
Green ball floating : OK to load test now

Also it looks like an advanced high-tech feature to the consumer.

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#4665109 - 02/13/18 07:01 PM Re: Whatever happened to the battery eye? [Re: y_p_w]
spk2000 Offline


Registered: 02/19/13
Posts: 984
Loc: Prospect, KY
To lower costs kind of like most brake pads have eliminated wear indicators as they cost 2 cents per indicator. Why not stuff our pockets with the savings instead of putting those on. They can tell when the backing plate is grinding the rotor. it's all about profit and need.

I currently work with several OEM car manufacturers and it amazes me how much they need something until you tell them how much they can save by removing or eliminating it. You can't get rid of it fast enough then.
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#4665147 - 02/13/18 07:34 PM Re: Whatever happened to the battery eye? [Re: spk2000]
Ducked Offline


Registered: 10/25/12
Posts: 4328
Loc: Taiwan
Originally Posted By: spk2000
To lower costs kind of like most brake pads have eliminated wear indicators as they cost 2 cents per indicator. Why not stuff our pockets with the savings instead of putting those on. They can tell when the backing plate is grinding the rotor. it's all about profit and need.

I currently work with several OEM car manufacturers and it amazes me how much they need something until you tell them how much they can save by removing or eliminating it. You can't get rid of it fast enough then.


How come new cars have so much superflouus [censored] on them then? - Oh wait, I suppose it has to be cheap superfluous [censored].


Edited by Ducked (02/13/18 07:35 PM)
Edit Reason: miss spelled [censored]

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#4665151 - 02/13/18 07:37 PM Re: Whatever happened to the battery eye? [Re: Donald]
Ducked Offline


Registered: 10/25/12
Posts: 4328
Loc: Taiwan
Originally Posted By: Donald
It only checked one cell. You need something more than the state of one cell.


Right. Like for example, the state of no cells, and a new battery.

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#4665165 - 02/13/18 07:43 PM Re: Whatever happened to the battery eye? [Re: y_p_w]
BHopkins Offline


Registered: 11/03/13
Posts: 1095
Loc: Utah
They have went the way of the auto cassette player a long time ago, didn't they?

I only recall seeing them on Delco batteries. Did anyone else ever use them?

I recall depending upon the green eye on the first ever no-maintenance battery that I had in a car. What a disappointment. I quickly learned that there was no such thing as a no-maintenance battery, at least as far as lead-acid batteries are concerned.
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#4665176 - 02/13/18 07:50 PM Re: Whatever happened to the battery eye? [Re: y_p_w]
SubieRubyRoo Offline


Registered: 05/14/12
Posts: 1125
Loc: Winchester, Indiana
All good guesses guys, but the real reason they got rid of the eye is because the battery beancounters determined too many people were noticing the eye was bad before the warranty expired, driving up free replacements. Eliminate the eye, and there's no way to know the battery is on its way out until it doesn't start your car, 4 days after the warranty expired. $100+ for your "pro-rated" coverage, ka-ching!

Ask me how I know....

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#4665187 - 02/13/18 08:07 PM Re: Whatever happened to the battery eye? [Re: Donald]
Chris142 Offline


Registered: 06/05/03
Posts: 16817
Loc: Deplorable in apple valley, ca
Originally Posted By: Donald
It only checked one cell. You need something more than the state of one cell.
this. You may have 5 bad cells but the one with the eye is ok.
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#4665272 - 02/13/18 09:08 PM Re: Whatever happened to the battery eye? [Re: BHopkins]
y_p_w Offline


Registered: 05/06/05
Posts: 3650
Loc: SF Bay Area
Originally Posted By: BHopkins
They have went the way of the auto cassette player a long time ago, didn't they?

I only recall seeing them on Delco batteries. Did anyone else ever use them?

I recall depending upon the green eye on the first ever no-maintenance battery that I had in a car. What a disappointment. I quickly learned that there was no such thing as a no-maintenance battery, at least as far as lead-acid batteries are concerned.

Johnson Controls can still make one if specified by the OEM. I found this photo from this thread:

https://bobistheoilguy.com/forums/ubbthreads.php/topics/3368999/2012_Honda_Civic_Battery



I can't read it too well, but the OP in that topic says the date code on the battery is 01/2012. I can make out that's it's Johnson Controls even though it's kind of low resolution. It certainly looks like a JCI battery.

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#4665371 - 02/13/18 11:37 PM Re: Whatever happened to the battery eye? [Re: y_p_w]
Ducked Offline


Registered: 10/25/12
Posts: 4328
Loc: Taiwan
An aftermaket opportunity?

Oopps! Another money-making scheme gone west.

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#4665376 - 02/13/18 11:55 PM Re: Whatever happened to the battery eye? [Re: y_p_w]
Nyogtha Offline


Registered: 10/13/14
Posts: 2319
Loc: San Antonio, TX
My wife's 2011 Mustang factory Motocraft battery had the eye.

I replaced it with a Bosch AGM.
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#4665378 - 02/14/18 12:01 AM Re: Whatever happened to the battery eye? [Re: y_p_w]
MONKEYMAN Offline


Registered: 06/24/04
Posts: 2222
Loc: St. Louis
2001 Lexus RX300 had one.
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