Author Topic: Which battery these days  (Read 11749 times)

Offline Mark Friedman

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Which battery these days
« on: January 25, 2018, 03:40:22 PM »
Hey all: I've owned my '92 K75 since...well, '92.  Sole owner. I've gone through a few batteries since then and am wondering if, in these modern times, I should switch up to lithium or go the same route. Any battery brand suggestions are welcome.


Mark
Woodstock, NY

' 92 BMW K75 (unadorned)
  • Woodstock, NY
  • BMW 1992 K75
One K75 since '92

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Honda scooter
Vespa

Offline Chaos

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Re: Which battery these days
« Reply #1 on: January 25, 2018, 04:20:40 PM »
I'm sticking with the Odyssey pc680, usually you can find one for around $100.  Can't see the point to lithium unless you're doing a radical chop job and need to hide a tiny battery somewhere. 
https://www.apexbattery.com/odyssey-pc680-battery-as.html?gclid=EAIaIQobChMIgNTay4T02AIV0oKzCh3Z8A08EAQYAiABEgLd6_D_BwE
  • sw ohio
1987 K75S    VIN 0231
Original owner, Original litter
200,000 miles (plus or minus) and 5 paint jobs
sold 6/23
2023 Ural 2WD sidecar (BMW's bastard step child)

Offline Mark Friedman

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Re: Which battery these days
« Reply #2 on: January 25, 2018, 04:27:15 PM »
Thanks, Chaos.
  • Woodstock, NY
  • BMW 1992 K75
One K75 since '92

Previous:
Honda scooter
Vespa

Offline Martin

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Re: Which battery these days
« Reply #3 on: January 25, 2018, 04:32:36 PM »
I've had two Deka AGM's lasted 8 years and 5 years. But hard to get and expensive in OZ. One RevPlus AGM 6 years, and now a DynoVolt AGM 2 months.
Regards Martin.
  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline stokester

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Re: Which battery these days
« Reply #4 on: January 25, 2018, 07:38:47 PM »
I'm sticking with the Odyssey pc680, usually you can find one for around $100.  Can't see the point to lithium unless you're doing a radical chop job and need to hide a tiny battery somewhere. 
https://www.apexbattery.com/odyssey-pc680-battery-as.html?gclid=EAIaIQobChMIgNTay4T02AIV0oKzCh3Z8A08EAQYAiABEgLd6_D_BwE


 :2thumbup:
got Odyssey on my Airheads too
  • Yorktown Virginia
  • '94 K75S Dakar Yellow - '93 K75S Seiden Blau - '91 R100RT Bermuda Blue- '78 R100S Smoke Red

Offline riots100

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Re: Which battery these days
« Reply #5 on: January 26, 2018, 12:16:08 AM »
I have Odyssey PC680s on both my bikes.
  • Los Angeles, CA
  • 1992 K75, 2007 K1200GT, 1991 K100RS
----
BDJ

Offline Mark Friedman

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Re: Which battery these days
« Reply #6 on: January 26, 2018, 03:09:00 PM »
Thanks, Bruce
  • Woodstock, NY
  • BMW 1992 K75
One K75 since '92

Previous:
Honda scooter
Vespa

Offline daveson

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Re: Which battery these days
« Reply #7 on: January 28, 2018, 03:37:58 PM »
i think mine is called motobatt, from my 96 vulcan 1500
i like that its not as high as the original
the terminals on the original touched the computer housing
  • Victoria, Australia
  • Current;'85 K100RT~100,000km; four other bricks. Past; 1500 Vulcan, V Star 650, KLX 250(dirt bike) TT250(dirt bike)

Offline F14CRAZY

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Re: Which battery these days
« Reply #8 on: January 28, 2018, 06:48:12 PM »
I'm running an AGM from Autozone. Been a year and a half and no issues. I think it was around $90
  • Grand Rapids, MI
  • '87 K75C
'87 K75C w/ Pichler V1 fairing. LED's, CATZ driving lights, Audiovox cruise, LT top case, tons of other mods by Drake...


Offline Martin

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Re: Which battery these days
« Reply #9 on: January 28, 2018, 07:32:42 PM »
I was going to put a Motobatt battery in my Brick a few months ago. I had previously used Deka  and Revplus with good results but both were no longer available locally. So I was going to use a Motobatt and did a bit of research and apparently while Motobatt used to be good, the quality has now fallen. This is just one site http://www.streetfighters.com.au/forum/showthread.php?26095-WARNING-Motobatt-batteries-are-SHIT. there are other sites with complaints. I ended up going with a Dynavolt $180.00 Au from Team Moto Virginia, they had to order it in. Only time will tell whether it's any good. :dunno
Regards Martin.
  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline latvietisnobavarias

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Re: Which battery these days
« Reply #10 on: January 31, 2018, 02:05:27 PM »
Odessy(SP) in my "97 K11lt. Five years now and going strong. Will replace with another this spring just to do it. I have used the Oddesy charger regularly during the years. I will never ever again put a liquid acid POS in a motorcycle again.
  • Central Oregon
  • K1100LT
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Offline enb54

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Re: Which battery these days
« Reply #11 on: February 01, 2018, 03:31:45 AM »
Hey all: I've owned my '92 K75 since...well, '92.  Sole owner. I've gone through a few batteries since then and am wondering if, in these modern times, I should switch up to lithium or go the same route. Any battery brand suggestions are welcome.


Mark
Woodstock, NY

' 92 BMW K75 (unadorned)

Hi Mark and all...
I think I may have responded to this somewhere else in this forum (or else in "Honda Twins") but anyway, the chemistry of modern Lithium type batteries requires a specific charging rate which is not generally compatible with older charging systems, like on the machines most of us are using or trying to use. You can certainly use these modern Lithium type batteries for a while with our older charging systems, but eventually you will experience some degradation or catastrophic failure, which will certainly shorten your day's riding experience. Just saying that you should search well and read thoroughly the information regarding any substitute batteries for your vintage motorcycle. All of our personal machines here in Red Deer are using lead acid batteries with the normal charging systems, I don't want to get some micrcontroller based charging system (required) just to charge my Li-Ion (type) battery. Of course, all are welcome to jump in and tell me I'm wrong...
  • Red Deer, AB
Eric

Then-1966 Suzuki X6 Hustler, 1987 BMW K100RS, 1997 Suzuki GSF600 Bandit, 1991 BMW K75 RT
Now-1974 Honda CB125S, 2015 Honda Grom (MSX125)

Offline Mark Friedman

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Re: Which battery these days
« Reply #12 on: February 01, 2018, 09:01:15 AM »
Thanks for the info, Eric.  Think I'll stick with conventional.
  • Woodstock, NY
  • BMW 1992 K75
One K75 since '92

Previous:
Honda scooter
Vespa

Offline The Mighty Gryphon

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Re: Which battery these days
« Reply #13 on: February 01, 2018, 03:59:42 PM »
Find an AGM maintenance-free battery made in the USA and don't look back.
  • In my garage in Marilla, NY
  • '91K100RS White/Blue
Current:
'91 K100RS16V "Moby Brick Too"

Past:
'94 K75RT "Ilsa, She Wolf of the SS"
'92 K100RS16V "Moby Brick" (RIP, deceased in a vehicular assault)
'94 K75S Special Edition Dakar Yellow "Cheetos"
'89 K100RS Special Edition "Special Ed"
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Offline enb54

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Re: Which battery these days
« Reply #14 on: February 01, 2018, 04:07:35 PM »
Find an AGM maintenance-free battery made in the USA and don't look back.

Yes, should have mentioned the AGM which is an advanced lead acid type of technology, a quick description is at  https://www.pepboys.com/car_care_corner/car_care_basics/maintenance/advantages_of_agm/  and no I do not work for PEP Boys...
  • Red Deer, AB
Eric

Then-1966 Suzuki X6 Hustler, 1987 BMW K100RS, 1997 Suzuki GSF600 Bandit, 1991 BMW K75 RT
Now-1974 Honda CB125S, 2015 Honda Grom (MSX125)

Offline Kevinb

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Re: Which battery these days
« Reply #15 on: September 13, 2018, 11:48:22 AM »
Hello All,

so, seems like everyone stick to the acid battery, any of you as try the gel one,   61212346800, thinking about that model, that also what's suggest my local Motorrad, but I have doubts, about the difference form 28 Ah to 19 Ah.

I would really like to get a maintenance free battery, the Caraibe climate is very hard on battery, and availability is complicated.

Thoughts, suggestion, comments?

Thank you
  • Mexico Puerto Morelos
  • K100rs 1990

Offline The Mighty Gryphon

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Re: Which battery these days
« Reply #16 on: September 13, 2018, 11:53:48 AM »
Yikes!!!  A battery that says "BMW" on it.  Must cost more than the bike.

I use AGM batteries in my bikes.   No maintenance or acid leaks if/when I drop my bike.  I have a "Scorpion" brand battery that was made in China that has 5 years and almost 40,000 miles on it in my K75RT.  I think it's a 23 AH rated battery.
  • In my garage in Marilla, NY
  • '91K100RS White/Blue
Current:
'91 K100RS16V "Moby Brick Too"

Past:
'94 K75RT "Ilsa, She Wolf of the SS"
'92 K100RS16V "Moby Brick" (RIP, deceased in a vehicular assault)
'94 K75S Special Edition Dakar Yellow "Cheetos"
'89 K100RS Special Edition "Special Ed"

Offline Kevinb

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Re: Which battery these days
« Reply #17 on: September 13, 2018, 12:02:41 PM »
AGM is not availailable here or I could find one, need to import it, that will cost me more then the BMW one, that is already here.
All automotive importation is crazy taxed, it's really not worted.
I had a Yuasa, with just a year old, the battery died in 4 months here, corrosion is insane, extreme heat, sea salt, sand, sulfite gaz in the air because of the sargasso...
And just to get acid it's super complicated, they don't want to sell it without the battery...
I will try to look if scorpion is available, but the idea, it's also to not change it every year, i wish a planet to live on for my children.

but, you guy's think, the gel 19 Ah would work on my K100rs?

Thank you
  • Mexico Puerto Morelos
  • K100rs 1990

Offline Chaos

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Re: Which battery these days
« Reply #18 on: September 13, 2018, 12:36:58 PM »
K bikes don't need no stinkin flaky battery.  Stop by your nearest Harbor Fright.  Get some bungees too.  http://www.motobrick.com/index.php/topic,11577.0.html
  • sw ohio
1987 K75S    VIN 0231
Original owner, Original litter
200,000 miles (plus or minus) and 5 paint jobs
sold 6/23
2023 Ural 2WD sidecar (BMW's bastard step child)

Offline enb54

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Re: Which battery these days
« Reply #19 on: September 13, 2018, 02:22:30 PM »
Hey I think I know one of his friends! A friend of mine had a Suzuki Cavalcade touring bike and broke down just south of Edmonton (alternator not charging), so he called me to come down and help him out. I brought my voltmeter and some booster cables, but could not persuade him to pull the headlight fuse so we could get back to Edmonton without stopping to recharge his battery. Finally, after a few hours of driving and recharging we got back to town and I told him that if it ever happened again, "Too bad, so sad". Sorry I didn't think of the portable generator option... :)
  • Red Deer, AB
Eric

Then-1966 Suzuki X6 Hustler, 1987 BMW K100RS, 1997 Suzuki GSF600 Bandit, 1991 BMW K75 RT
Now-1974 Honda CB125S, 2015 Honda Grom (MSX125)

Offline Kevinb

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Re: Which battery these days
« Reply #20 on: September 13, 2018, 04:08:35 PM »
K bikes don't need no stinkin flaky battery.  Stop by your nearest Harbor Fright.  Get some bungees too.  http://www.motobrick.com/index.php/topic,11577.0.html

Nice one! I did some Mcgyver's on my bikes, but never went all the way their!! Amazing.

But once again, I think no one as the experience of living in the Caraibes here, generators are fucking expensive here! hahaha
  • Mexico Puerto Morelos
  • K100rs 1990

Offline Laitch

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Re: Which battery these days
« Reply #21 on: September 13, 2018, 06:02:53 PM »
And just to get acid it's super complicated, they don't want to sell it without the battery...
You shouldn't need to buy acid for your battery. Lead-acid battery fluid gets topped up with distilled water. Is that costly in Paradise? Maybe something is being lost in translation here.

My moto has a sealed battery. No refilling. It's five years old. You'll need to protect the battery terminals with anti-corrosion spray and clean surfaces weekly in an environment like yours.

If you want to preserve the planet for your children, it will cost you more money than you realized. :giggles
  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline Kevinb

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Re: Which battery these days
« Reply #22 on: September 13, 2018, 06:10:29 PM »
When you import a battery, it arrive dry, so you need to fill it with acid, I'm not even sure you can import a AGM for those reason
  • Mexico Puerto Morelos
  • K100rs 1990

Offline rbm

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Re: Which battery these days
« Reply #23 on: September 13, 2018, 06:16:36 PM »
I can tell you which battery not to buy that's for sure.  Three letters KMG.  Can also be described with three other letters.  POS.  Mine died a horrible death a couple days ago.  Bike broke down near Bocutter Ed's place. So, I rang him up and he helped me to get the bike into his garage, and charge the sucker.  It's still there; hope to get it home tonight.

I can see an Odyssey PC680 or a Motobatt in my near future.
  • Regards, Robert
Toronto, Ontario

1987 K75 - Build Blog @http://k75retro.blogspot.ca/

Offline Laitch

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Re: Which battery these days
« Reply #24 on: September 13, 2018, 06:34:56 PM »
When you import a battery, it arrive dry, so you need to fill it with acid, I'm not even sure you can import a AGM for those reason
AGMs are sealed so there should be no filling and no danger, if that's what is the problem. Some lead-acid batteries are sealed, too. You should import one of those and factor the bribe into the price. :giggles  What is it you can do, besides enjoy Paradise on a bicycle? Return to the US,  buy and install a good quality battery then return?

  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

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