K11 Owners Group

Geoff · Posted: Tue Feb 07, 2012 5:39 pm Post subject: Battery Question

Hi everybody. I haven't been around since I sold my K1100RS and moved to an R1100RT. I always appreciated the feedback I received here, so I thought I'd ask a question. Has anyone had any experience with BMW motorcycle batteries sold on eBay? They're half the price of an OEM (BMW) battery. Question is are they any good?

Here's one example.

http://www.ebay.com/itm/51913-BMW-R1100RS-R1100RT-AGM-SLA-Motorcycle-Battery-/120560093436?pt=Motorcycles_Parts_Accessories&vxp=mtr&hash=item1c11f108fc
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2000 R1100RT
2008 H-D Electra Glide Ultra Classic

boxerNZ · Posted: Wed Feb 08, 2012 4:58 pm Post subject: battery

I have a aftermarket gel battery in my r80gs for the last 5yrs also I ran one in my R1100s for 6yrs. they do seem as good but not sure about this brand
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R80G/S1986
R1200C 1998
650 Vstrom 2019
All roads are good, keep riding

drikko · Posted: Wed Feb 08, 2012 5:18 pm Post subject:

Any AGM battery is better than any wet cell battery so I'd say go for it. There's hundreds of different brands, the ones we most use here are the Deka brand, there's direct replacements although a little bit smaller wouldn't hurt. I use Deka AGMs in both my bikes and a ginormouse Lifeline AGM in the boat which is going on 10 years old and still as good as new. They are great.
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K1100RS '97
Laverda RGS 1000 '84
Jim Young Trailer Sailer 5.7M WB

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