Batteries - once again...

Got any questions about the BMW's R1200RT/R1250RT's onboard audio, Bluetooth or the Electrical system?
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Re: Batteries - once again...

Post by Ed Harley »

According to Tayna the Exide Gel (OEM) has following dimensions:
Length: 186 mm
Width: 82 mm
Height inc. terms: 173 mm
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Re: Batteries - once again...

Post by David. »

SD1 wrote: Fri Jan 20, 2023 1:32 amWhat is the actual physical dimension of the "proper" OEM BMW battery for an '09 RT. I saw 7" x 7" x 3" is that right.
Did you see this from MAX BMW Parts List, "Dimensions: 195mm x 85mm x 175mm (7x7x3")."

Wunderlich America say that the Exide GEL Battery is identical to the BMW OEM Battery, https://www.wunderlichamerica.com/Motor ... erlich_BMW
Dimensions 185 x 80 x 170mm

The above dimensions are confirmed by Exide themselves, https://www.exidegroup.com/eu/en/battery/GEL12-19
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Re: Batteries - once again...

Post by David. »

Ed Harley wrote: Mon Jan 09, 2023 7:00 amThat Banner has CCA of 310A. Can that be right.
Yes, I have spoken to Tayna Batteries and they have confirmed this is correct.
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Re: Batteries - once again...

Post by Ed Harley »

David. wrote: Fri Jan 20, 2023 10:49 amYes, I have spoken to Tayna Batteries and they have confirmed this is correct.
That is a lot of CCA and then some. :shock:
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Re: Batteries - once again...

Post by David. »

Ed Harley wrote: Fri Jan 20, 2023 2:06 pmThat is a lot of CCA.
Although I've never had a Banner battery, if I was to upgrade, I would certainly consider one. It's GEL 52101, which going by the Exide 12-19 has a very low discharge rate when stored, is the correct physical size and 80% more CCA.

https://www.bannerbatterien.com/en-gb/P ... -3-GT20H-3
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Re: Batteries - once again...

Post by Ed Harley »

FWIW, I went to start my Suzuki but all that happened was just click-click-click.

Battery is an Exide AGM which I bought 6/2020. It has been in battery tender every now and then, last time a month ago.

After two hours in tender it showed full but when I tried to start it just bogs. Time for a new battery for this bike too but this time some other brand.
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Re: Batteries - once again...

Post by David. »

Found this video, thought it might complement this thread, enjoy.



Only 3 points between them but GEL comes out on top, GEL 16/22, AGM 14/22, FLA 13/22 & Li+ 13/22.
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Re: Batteries - once again...

Post by Ed Harley »

FWIW, just noticed by accident that battery dealer had -15% this weekend so after agonizing days of going back and forth I finally ordered:
- Exide AGM 12-18 for BMW
- Exide AGM ETX14AHL-BS for Suzuki

Too much time, too many alternatives. :mrgreen:
1983 GS1000G | 1984 GSX1100EF | 1997 FLHR | 2016 FLSTC | Triumph Tiger Explorer 1200 XRT
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