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FJR Motorcycle Forums
Technical & Mechanical Problems
maintain multiple batteries during winter
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<blockquote data-quote="olsonm3915" data-source="post: 801193" data-attributes="member: 14510"><p>Why?</p><p></p><p>Cold is *good* for your battery- they self-discharge much slower when stored in the cold. Cold doesn't hurt batteries at all. The only time you have to worry about a battery getting cold, is if it is in a discharged state, because it will freeze. Otherwise, simply keep it topped up occasionally. In fact, AGM / VRLA batteries have such a small amount of self discharge that if kept in a nice cold garage, they will easily go all winter without needing a trickle charge at all. Conventional batteries should be given a top-up charge once a month or so just to be safe.</p><p></p><p>See the chart on page 32 of the PDF file (marked as page 30) showing how a VRLA battery stored at 0 C will retain 90% of its charge after six months of storage:</p><p></p><p><a href="https://www.yuasabatteries.com/pdfs/TechManual_2009.pdf" target="_blank">https://www.yuasabatteries.com/pdfs/TechManual_2009.pdf</a></p><p></p><p>I <em>strongly </em>recommend that anyone who has any interest in batteries and how they work, reads that entire manual, it's quite informative.</p></blockquote><p></p>
[QUOTE="olsonm3915, post: 801193, member: 14510"] Why? Cold is *good* for your battery- they self-discharge much slower when stored in the cold. Cold doesn't hurt batteries at all. The only time you have to worry about a battery getting cold, is if it is in a discharged state, because it will freeze. Otherwise, simply keep it topped up occasionally. In fact, AGM / VRLA batteries have such a small amount of self discharge that if kept in a nice cold garage, they will easily go all winter without needing a trickle charge at all. Conventional batteries should be given a top-up charge once a month or so just to be safe. See the chart on page 32 of the PDF file (marked as page 30) showing how a VRLA battery stored at 0 C will retain 90% of its charge after six months of storage: [URL="https://www.yuasabatteries.com/pdfs/TechManual_2009.pdf"]https://www.yuasabatteries.com/pdfs/TechManual_2009.pdf[/URL] I [I]strongly [/I]recommend that anyone who has any interest in batteries and how they work, reads that entire manual, it's quite informative. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
maintain multiple batteries during winter
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