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Old 09-06-2013, 11:28 AM   #1
das ist gut OP
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Joined: Mar 2013
Location: working on the bucket list @ 6400 feet
Oddometer: 22
replacement battery 1988 R100GS

it has been a while since the GS has been running, but it is ready for the road again,
however I do need a new battery

Sorry for my search skills are very lacking, is there a training section on how to search someything of a specific nature?

the bike does share miles with several others, so it will sit on the charger if needed within a climate controlled garage up here in Northern Arizona.


the last one I had was a Panasonic, ahh, but it has died long ago and rapidly loses the voltage once off the battery tender.


that said, what is the current thinking for replacement batteries for 1988 R100GS?

wet.......gel......tractor battery?
ot sure I am ready for one of those hi-tech $$$$ monsters, but I am open to suggestions

thank you
das
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Old 09-06-2013, 01:17 PM   #2
walkingbear
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I know a tractor battery will work. Make sure it has 565-600 cca
I put a bike master into mine .. 3 months ago. $117
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Old 09-06-2013, 01:28 PM   #3
hardwaregrrl
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I'm a fan of the odessey PC680 battery. Just replaced mine with a lithium ion after 6 years......but what I thought was a battery issue was not. Did a load test on the Odessey, and it's fine. Oh well......back up!
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Old 09-06-2013, 02:24 PM   #4
Biebs
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Talking Odyssey Battery

Odyssey Battery PC680 is the model I have in my 74 R75/6.

Never put it on a battery tender 5 years and still working this will also work on your GS smaller than stock battery. Batteries plus carries them stay away from original lead/acid type batteries unless you want to be cleaning acid/ rust off your frame. I believe the use of a battery tender shortens the life of battery. If you bike is working correctly should be no draw on battery and should be able to sit for at least 2 months without charge. Your 88 GS may have a clock which will draw on battery but should last for 2 months. A tender on a Lead/Acid battery can overcharge causing acid to boil and overflow out the vent onto your frame.


You can go to walmart (do they have those in N. AZ) and buy a cheap Lead / acid battery $60 maybe and you will be buying a new one in 2 years.

Odyssey Battery - Batteries plus
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Old 09-06-2013, 02:39 PM   #5
walkingbear
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Quote:
Originally Posted by Biebs View Post
Odyssey Battery PC680 is the model I have in my 74 R75/6.

Never put it on a battery tender 5 years and still working this will also work on your GS smaller than stock battery. Batteries plus carries them stay away from original lead/acid type batteries unless you want to be cleaning acid/ rust off your frame. I believe the use of a battery tender shortens the life of battery. If you bike is working correctly should be no draw on battery and should be able to sit for at least 2 months without charge. Your 88 GS may have a clock which will draw on battery but should last for 2 months. A tender on a Lead/Acid battery can overcharge causing acid to boil and overflow out the vent onto your frame.


You can go to walmart (do they have those in N. AZ) and buy a cheap Lead / acid battery $60 maybe and you will be buying a new one in 2 years.

Odyssey Battery - Batteries plus
those walmart batteries come with a 8 year warranty. Every 2 years get a new one
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Old 09-06-2013, 02:45 PM   #6
boxerkuh
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2nd Odyessy PC 680

Odyessy PC 680, got one in each one of my bikes; 1 is over 8 years old and going still going strong and the other one is 3 years old without any issues. I will replace it with another PC 680, put it in and forget about it. That is my kind of battery....
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Old 09-06-2013, 02:48 PM   #7
acejones
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I am a big fan of Odyssey batteries. I have Odysseys in both bikes and in my truck.
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Old 09-06-2013, 03:29 PM   #8
AntonLargiader
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Also a fan of the Odyssey. I use the PC545 in my R100GS, with a battery tray from Motoren-Israel that holds it perfectly (actually have to shave a few ribs on the battery).
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Old 09-06-2013, 08:12 PM   #9
das ist gut OP
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okay now, a lot of you recommend the Odyssey Battery

It does look pure quality and should last a long time

However, looking up the 1988 R100GS in BatteryMart,
they say to use the 330 CCA 26 lbs shipped monstet PC925L for 166 bucks

The Odyssey 680 and 545 are both way lighter and have way less CCA.

If the bike lives in a heated garage in the winter, and never spends much time sitting outside in the cold, I guess that I monster sized 925 then?

......but either way I go, I really do need a tractor battery, and the Sears store near here DOES NOT stock them!
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Old 09-07-2013, 02:57 AM   #10
AntonLargiader
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Quote:
Originally Posted by das ist gut View Post
... I guess that I monster sized 925 then?
I don't understand most of your post, including this.

If you're taking your recommendations from BatteryMart, why bother us?

Why do you need a tractor battery no matter what Odyssey you decide on?
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Old 09-07-2013, 05:53 AM   #11
Renner
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Quote:
Originally Posted by AntonLargiader View Post
Also a fan of the Odyssey. I use the PC545 in my R100GS, with a battery tray from Motoren-Israel that holds it perfectly (actually have to shave a few ribs on the battery).
thanks for the recommendation, Anton.
I'll give that route a go next time the GS needs a battery.
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Old 09-07-2013, 06:34 AM   #12
AntonLargiader
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Keep in mind that since the battery supports the tool tray, you have to deal with that if you use a shorter battery (which the 545 is). I think it is pretty easy to fashion a sling to support the front of the tray, though.
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Old 09-07-2013, 08:57 AM   #13
Biebs
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Pissed Do not follow what is reccomended by the dealer!!!!!

Choose your own path grasshopper!! The 925 is a monster!!!


The PC680 is the one to go with will work or use Anton's reccomendation!!!

Grow some balls and make an educated decsion!!!
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Old 09-07-2013, 10:05 AM   #14
das ist gut OP
been there done that
 
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Joined: Mar 2013
Location: working on the bucket list @ 6400 feet
Oddometer: 22
Quote:
Originally Posted by AntonLargiader View Post
I don't understand most of your post, including this.

If you're taking your recommendations from BatteryMart, why bother us?

Why do you need a tractor battery no matter what Odyssey you decide on?

I am sorry Mr. Anton, I do not mean for confusion.
Sometimes my english is not so good.
And then to make problem worse, I continue to use this ASUS pad with very touchy keyboard, plus the ability to move the curser placement is not always easy. Sorry.

1. I only bring up batterymart because it is so much different from the current recommendations. I have not been reading the newer technology on battery development because I was not active on any forum. And I AM NOT taking batterymart recommendation. My posting was bad worded and my eyes very tired last night. I did not write my sentence correctly.

2. I DO NEED a battery for my GS........AND I do need a battery for my tractor too.
That is why I made that statement.

3. I do very much value your knowledge AND opinions Anton. Your knowledge of BMW motorbikes and airhead in particular is tremendous AND a great help for many riders. For this, I thank you.
And I am sorry for upsetting you with my posted sentences.
Please forgive me.

I do like the odyssey

I do not want a big heavy overpowered, expensive battery (what I called beast, monster,etc)

I am not cheap in this, but I am wanting what is value for money spent.

I do have balls, which are hanging large
And I have no problem making decisions.

I also value the experts and their suggestions very much. However, if I can understand WHY experts recommend certain things when other experts recommend very much different things, then I can much easier come to the decision within my own mind the next time.
Thus.....I will not need to bother others because I did it myself.

thank you all once again, you have helped my on this.
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Old 09-07-2013, 10:19 AM   #15
Biebs
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Laugh Pc680

Ok maybe I was a little overboard.


The PC 680 will make a great tractor battery and will be easy to move / remove from your GS as it is 1/2 the size of the original so if your are battery sharing you will not be wrestling the GS battery box!!


the pc680 I have in my R75 is easy to remove without unbolting the rear subframe - try that with the original battery reccomended by BMW!!!
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