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Topic Options
#369790 - 01/22/18 06:02 PM Re: Servicing aircraft batteries [Re: Henry M.]
GlennG Offline
Second in Command

Registered: 12/13/16
Posts: 178
Loc: SC, Darlington
My Gill is only 2 years old, I've owned the plane for 1 year 4 months. I have no idea how it was treated.
I called Gill Battery today to place a warranty with them. It has a 2 year warranty. David from Gill did not return my phone today but I will question him regarding the warranty. It has not turned the engine over well since I bought the plane, so hoping they will go back to that time.
Just ordered the Concord RG-25 XC. I feel like I have hurt a friend, first time not having a Gill!
_________________________
Just an older fellow that was never supposed to get old !

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#369798 - 01/22/18 07:38 PM Re: Servicing aircraft batteries [Re: GlennG]
N5479R Offline
Gold Pilot

Registered: 04/13/14
Posts: 2292
Loc: Florida
Since I made the move to Concorde, I’ve had no regrets. My guess is that you won’t miss your Gill.

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#369804 - 01/22/18 08:42 PM Re: Servicing aircraft batteries [Re: N5479R]
Joeman434 Offline
Diamond Pilot

Registered: 02/19/14
Posts: 6790
Loc: Ocala, Florida
I swapped a small job for a new Concorde 35 in March 2017 for my 210. It's shot...like all other Concorde's I have ever tried. They just don't outlast a Gill in my 210. The Gill I had in there was 1 1/2 years old. Since 1990, I have periodically tried Concorde.... haven't had one last a year yet.


Edited by Joeman434 (01/22/18 08:44 PM)
_________________________
Do it right the first time.

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#369805 - 01/22/18 09:22 PM Re: Servicing aircraft batteries [Re: Joeman434]
Henry M. Offline
Gold Pilot

Registered: 08/23/11
Posts: 2013
Loc: Leander, TX
And the Gill only lasted a year and a half? Your 210 sure seems to eat batteries, no matter the brand. Are you sure the electrical system is OK? Something doesn’t sound right about batteries lasting less than two years.
_________________________
Henry
1965 C182H

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#369806 - 01/22/18 09:24 PM Re: Servicing aircraft batteries [Re: Joeman434]
Sunday Pilot Offline
Safety Pilot

Registered: 11/15/12
Posts: 65
Loc: KY
I finally gave up on Gill. I already know the Concord is better (for me).
_________________________
If God meant for man to fly he would be born with more money.

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#369811 - 01/22/18 10:38 PM Re: Servicing aircraft batteries [Re: Henry M.]
Joeman434 Offline
Diamond Pilot

Registered: 02/19/14
Posts: 6790
Loc: Ocala, Florida
Originally Posted By: Henry M.
And the Gill only lasted a year and a half? Your 210 sure seems to eat batteries, no matter the brand. Are you sure the electrical system is OK? Something doesn&#146;t sound right about batteries lasting less than two years.


Charging system is fine....takes a bit more to start a 210 then a 172....especially hot. I had a Bonanza....same crap...Concorde didn't last.
_________________________
Do it right the first time.

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#369888 - 01/23/18 08:13 PM Re: Servicing aircraft batteries [Re: Joeman434]
jpoppinmoneyunit Offline
Second in Command

Registered: 04/26/16
Posts: 165
Loc: Alaska
Gills are junk these days. Went to the dump to recycle mine with the car batteries and saw 5 other gills in the pile!

I second the Concorde battery. It may be a bit more but she’ll love you long time.

Also, check your voltage regulator output while at cruise RPM and in flight for a while and see what it says. Could be over or under charging your battery. Previous owner was boiling my gill at almost 17 volts before I found it.


Edited by jpoppinmoneyunit (01/23/18 08:15 PM)

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#370548 - 01/29/18 02:51 PM Re: Servicing aircraft batteries [Re: jpoppinmoneyunit]
GlennG Offline
Second in Command

Registered: 12/13/16
Posts: 178
Loc: SC, Darlington
Called the Gill people today, he told me to charge my Gill at 1 amp for 36 hours, if it does not charge up good to call him back. It has a 2 year warranty. It is the 25G.

So if I put in a Concord sealed battery, does an A&P have to sign that off?
_________________________
Just an older fellow that was never supposed to get old !

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#370552 - 01/29/18 03:18 PM Re: Servicing aircraft batteries [Re: GlennG]
Desert Hawk Offline
Silver Pilot

Registered: 06/30/13
Posts: 919
Loc: Phoenix, Arizona
Pilot owner can change a battery with a logbook entry.
Here is an AOPA article which helps to clarify what a pilot owner can do...
https://www.aopa.org/training-and-safety/pic-archive/aircraft-ownership/preventive-maintenance
_________________________
karl
1975 C172M-180

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#371116 - 02/02/18 03:24 PM Re: Servicing aircraft batteries [Re: Desert Hawk]
GlennG Offline
Second in Command

Registered: 12/13/16
Posts: 178
Loc: SC, Darlington
Thanks for the information, always good to refresh my memory on what I can do as owner, pilot.
Update on my battery.
Charged completed as requested. It did not turn the prop over.
Put the new Concord in, with a bit on nerves, hit the key, she turned over rapidly!!
I got a battery minder, but it came in the mail and stated not for aircraft batteries. Guess I will keep it and try to locate an aircraft Battery Minder 1510, with smart technology for my some of my other batteries.
I really don't want to spend a lot of money on one so who recommends one??
_________________________
Just an older fellow that was never supposed to get old !

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#371311 - 02/04/18 12:17 PM Re: Servicing aircraft batteries [Re: GlennG]
GlennG Offline
Second in Command

Registered: 12/13/16
Posts: 178
Loc: SC, Darlington
Update to the Gill fully charged. Checked the volts of both. The Gill is good 12.7,,, the Concord 12.9.
Can't understand why the Gill does not turn the engine over well??
Instructions state to charge battery if it falls below 12.5 volts.
_________________________
Just an older fellow that was never supposed to get old !

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#376009 - 03/18/18 02:26 PM Re: Servicing aircraft batteries [Re: GlennG]
Mark Y. Offline
Bronze Pilot

Registered: 02/21/11
Posts: 528
Loc: Mundare, Alberta, Canada
Voltage is only an "idea" of the charge level/condition of the battery. Battery needs to be load tested to really determine condition, either with a carbon pile or as you tried, your starter.

I would use the battery minder, stated not for aircraft batteries is just a liability disclaimer for the manufacturer. Will not hurt the battery. No difference between an automotive or aircraft battery, except some aircraft batteries are 24v.

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#376018 - 03/18/18 03:54 PM Re: Servicing aircraft batteries [Re: Mark Y.]
Joeman434 Offline
Diamond Pilot

Registered: 02/19/14
Posts: 6790
Loc: Ocala, Florida
The problems I see most with "flooded" batteries are...initially overfilling them, not allowing sufficient "soak" time and fast charging. Two to three amp charge up to 10 hours works the best.

I just replaced a G-25 in my 172 at three years and eight months. It's been in and out of the plane so many times as a jump starter, loaner, and even powered the power tow a dozen times. So I replaced it with another Gill. It still worked if I used it weekly, and I'll still use it for something.


Edited by Joeman434 (03/18/18 03:55 PM)
_________________________
Do it right the first time.

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#376019 - 03/18/18 04:04 PM Re: Servicing aircraft batteries [Re: Joeman434]
Joeman434 Offline
Diamond Pilot

Registered: 02/19/14
Posts: 6790
Loc: Ocala, Florida
On the other hand....I just took a Odyssey PC680 ($109 battery) battery that sat in a plane unused for four years, put it in another plane without charging it and it started it...barely spun it over, but it did. Charged up, and spun it over easily. (it's in an experimental aircraft) Not sure it will be reliable??

I'll bet neither a Gill or Concorde would do that after sitting four years.
_________________________
Do it right the first time.

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#395123 - 05/30/19 07:52 AM Re: Servicing aircraft batteries [Re: C420sailor]
Challenger1 Online   content
Gold Pilot

Registered: 03/23/16
Posts: 2042
Loc: Cincinnati, Ohio
Originally Posted By: C420sailor
The Gill was in my airplane when I bought it a year ago. Owner said it was a year old at that point. It was dead when I picked up the plane. We charged it and it has cranked slowly and won't crank at all if the plane sits for two weeks. It almost left me stranded at a podunk airport in TN one night. It just doesn't like to take and hold a charge. Not that Gill is a bad battery, but this particular one was quite shot.

I figured I would try the Concorde and see how it does. Just installed it today, can't wait to see how she cranks.


C420sailor how is your Concorde holding up?

I am still using my original Gill that came with the plane. It is working well and is about 2.5 years old. My mechanic indicated I should go with a sealed battery when I replace it. I agree with him so I do not have to keep an eye on the acid level.

Just wondering how yours is holding up? TIA

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#395129 - 05/30/19 12:44 PM Re: Servicing aircraft batteries [Re: Challenger1]
C420sailor Offline
Gold Pilot

Registered: 11/18/16
Posts: 1464
Loc: Virginia
Still going strong. The airplane is a leaseback at the moment, and that battery has at least 300 hours on it since install.
_________________________
Currently transitioning from the F/A-18E to the C-172M...to a damn desk.

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#395138 - 05/30/19 08:08 PM Re: Servicing aircraft batteries [Re: Mark Y.]
DeputydogK9 Offline
Bronze Pilot

Registered: 12/30/15
Posts: 726
Loc: North Florida
Originally Posted By: Mark Y.
No difference between an automotive or aircraft battery, except some aircraft batteries are 24v.


There are significant differences between aircraft and automotive batteries. It's the same lead/acid system but the plates are thinner and more closely spaced in aircraft batteries to save weight which make them more fragile and prone to warping if overcharged.

It's kinda like saying boat/rv deep cycle batteries and starting batteries are the same. It's again the same lead/acid system but that is where the similarity ends. Deep discharge a starting battery (most similar to an aircraft battery) and see how long it lasts (not long).

I have both the Battery Minder aircraft and automotive chargers and their output voltages are different in both the bulk and float modes. It's not a huge difference but might make a difference over the long haul.

My Concord 25XC stays on the aviation minder 24/7 and it still starts like it did when I installed it 3+ years ago and I have a generator so it gets drawn down during taxi every flight so the minder tops it off post-flight and then floats it to keep sulfation down.

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#395139 - 05/30/19 08:13 PM Re: Servicing aircraft batteries [Re: DeputydogK9]
DeputydogK9 Offline
Bronze Pilot

Registered: 12/30/15
Posts: 726
Loc: North Florida
I forgot to add that now days all Concord batteries are AGM (glass mat) vs flooded. Both have plusses and minuses.

Few auto batteries are AGM but rather are Valve regulated flooded types.

Mike Busch has a good article on batteries.
https://www.savvyaviation.com/wp-content/uploads/articles_eaa/EAA_2011-06_about-batteries.pdf

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#395142 - 05/30/19 09:26 PM Re: Servicing aircraft batteries [Re: DeputydogK9]
jnpjohnson Offline
Second in Command

Registered: 05/11/16
Posts: 107
Loc: CO
DeputtydogK9. What make/model aviation battery minder do you have. I’m in the market for a minder for my new Concorde
_________________________

1964 172E Avcon 180hp
2007 RV7A

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#395151 - 05/31/19 09:44 AM Re: Servicing aircraft batteries [Re: C420sailor]
Challenger1 Online   content
Gold Pilot

Registered: 03/23/16
Posts: 2042
Loc: Cincinnati, Ohio
Originally Posted By: C420sailor
Still going strong. The airplane is a leaseback at the moment, and that battery has at least 300 hours on it since install.


Thanks!

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#395155 - 05/31/19 04:15 PM Re: Servicing aircraft batteries [Re: jnpjohnson]
propizza Offline
Second in Command

Registered: 09/22/16
Posts: 206
Loc: Punta Gorda Fl

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#395159 - 05/31/19 07:16 PM Re: Servicing aircraft batteries [Re: propizza]
Dave Kagey Offline
Second in Command

Registered: 03/11/17
Posts: 187
Loc: Seabrook, TX
How do you connect the battery minder? Looked at their web site and the examples seem to be Cessna’s that have the battery in the tail cone and not under the cowling.
One example seems to show it attached to the oil dipstick area and charged thru the oil access door.
Anyone done this with success?
Thanks


Edited by Dave Kagey (05/31/19 07:38 PM)

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#395164 - 05/31/19 08:04 PM Re: Servicing aircraft batteries [Re: jnpjohnson]
DeputydogK9 Offline
Bronze Pilot

Registered: 12/30/15
Posts: 726
Loc: North Florida
BatteryMINDer® Model 128CEC1-AA-S5: 12V 8 AMP CONCORDE® Aviation Battery Charger-Maintainer-Desulfator

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#395167 - 05/31/19 08:22 PM Re: Servicing aircraft batteries [Re: Dave Kagey]
DeputydogK9 Offline
Bronze Pilot

Registered: 12/30/15
Posts: 726
Loc: North Florida
Mine A/C is a 1956 172 and has the large engine access door on the left side and my battery is on the firewall so I mounted a quick disconnect on top of the battery box.

Sporty's among others sell an "interface kit" specifically for the batteryminders for about $70+ but you can source with a little searching on ebay the exact same connectors for about $20 which is what I did.
Connectors are Anderson SB50 with solder contacts and Elasomeric insulating cover for same, some MIL-W-22759/16 wire, a fuse holder, some aircraft grade crimp connectors and an adapter to plug into the connector on the charger that you can get at any auto parts place.

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#395170 - 05/31/19 08:31 PM Re: Servicing aircraft batteries [Re: DeputydogK9]
jnpjohnson Offline
Second in Command

Registered: 05/11/16
Posts: 107
Loc: CO
BatteryMINDer® Model 128CEC1-AA-S5 Is exclusively for Concorde batteries. Thanks for info. I guess if I get this one I won’t have the option to switch back to Gill.
_________________________

1964 172E Avcon 180hp
2007 RV7A

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