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Old 11-01-2012, 09:13 PM
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Donm Donm is offline
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Location: Atlanta
Join Date: Jul 2012
Posts: 382
Mein Auto: '13 M 550i, BMW f800st
My experience with Battery Tenders is that they do not have the oomph to bring batteries in lower states of charge back up adequately. For that, an older style charger with a amp meter on the front work mush better in my experience. Battery Tenders seem to do best when continuously connected to a pretty well charged battery sitting idle and not asked to deliver a lot of juice.

Just my .02

Don M
Best regards,
Don M

It isn't broken yet but I can fix that!

2013 550i Titanium Silver Metallic Dinan S3 , BMW F800ST, ML350
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