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Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler.

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Old 11-11-2012, 05:19 PM   #1 (permalink)
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Main Motorcycle: 2002 Bonneville
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Battery tender

I'll be storing my Bonneville next week, and I'll remove the battery. I have a battery tender that states can be used to charge/maintain two batteries hooked up parallel. I want to do this between the Bonnie battery and my boat battery, which is about 550 CA. Is it reasonable to parallel these two batteries?
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Old 11-12-2012, 12:22 PM   #2 (permalink)
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I would not. A motorcycle battery and a deep-cycle boat battery are very different beasts and should have different types of tenders. The boat battery should have something around a 5 amp charger and the motorcycle battery should have 1.25 amp or less and might be cooked by the bigger tender. Hooked up in parallel I would be afraid that either one would be cooked or one would not get sufficient current.
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Old 11-12-2012, 01:48 PM   #3 (permalink)
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I wouldn't even consider it.
2005 Bonneville Blue 790cc, AI removed, Staintunes RC, no snorkel, inlet enlarged, 118/40/NBZT "Thruxton" needles/1 shim/3 turns, Ikon 7610s, Ricor Intiminators, Dunlop GT501s, D9 gauge panel, tachometer.
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