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FJR Motorcycle Forums
FJR Specific Discussion
2006 FJR only start when jumped
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<blockquote data-quote="RossKean" data-source="post: 1454496" data-attributes="member: 19880"><p>Agreed! I sometimes use a "dumb" ~1 amp trickle charger to top off a partially discharged battery or (a few times) to recharge a MC battery from flat after leaving the ignition on. The output is not regulated and the charger doesn't stop once the battery is fully charged (although the charge rate does decrease as the battery voltage goes up). Still, it would kill the battery if left on too long whereas a battery tender or maintainer will stop and maintain a safe "float" voltage indefinitely once the battery reaches a voltage that represents a full charge. Shouldn't have to worry about disconnecting a "smart" battery tender. </p><p></p><p>For a fairly "flat" AGM battery, you could leave a nominal one amp trickle charger like mine on for 15 hours or more without doing any harm but I would want to check voltage every couple of hours. I wouldn't let it go more than 24 hours under any circumstances.</p></blockquote><p></p>
[QUOTE="RossKean, post: 1454496, member: 19880"] Agreed! I sometimes use a "dumb" ~1 amp trickle charger to top off a partially discharged battery or (a few times) to recharge a MC battery from flat after leaving the ignition on. The output is not regulated and the charger doesn't stop once the battery is fully charged (although the charge rate does decrease as the battery voltage goes up). Still, it would kill the battery if left on too long whereas a battery tender or maintainer will stop and maintain a safe "float" voltage indefinitely once the battery reaches a voltage that represents a full charge. Shouldn't have to worry about disconnecting a "smart" battery tender. For a fairly "flat" AGM battery, you could leave a nominal one amp trickle charger like mine on for 15 hours or more without doing any harm but I would want to check voltage every couple of hours. I wouldn't let it go more than 24 hours under any circumstances. [/QUOTE]
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FJR Motorcycle Forums
FJR Specific Discussion
2006 FJR only start when jumped
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