Battery tender vs. battery charger - TwoWheelForum: Motorcycle and Sportbike forums
 
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post #1 of 10 (permalink) Old 01-21-2005, 09:06 AM Thread Starter
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Battery tender vs. battery charger

I have a Sears charger I use when my batteries die, but I don't put my MC battery on a tender. Will a tender make my battery last longer or just keep it from draining?

Should I buy a tender or is the charger okay? Also, I have to remove the riding seat to get to the battery so it is a real PITA to attach either.
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post #2 of 10 (permalink) Old 01-21-2005, 10:25 AM
 
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The tender I have comes on when the charge on the battery reaches a low point. It is basically "topping off" the battery and not supplying a constant charge. It came with a quick connect that mounts to the battery full time and the plug comes out from under the seat to connect so you don't have to remove the seat to plug it up
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post #3 of 10 (permalink) Old 01-21-2005, 10:02 PM
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I have the same one Bee!

A battery charger is just that! It will charge your battery from a dead point. However, a battery tender is just as it says.... it only tops off or maintains the fully charged state.

There is a BIG difference and every garage should have both!




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post #4 of 10 (permalink) Old 01-21-2005, 10:41 PM
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If your battery charger is low amperage, then it will work fine but you have to hook it up each time. If the amperage is too high, it's not really good for a motorcycle battery.

The advantage to the battery tender is (as mentioned above) you can install a lead that you plug in whenever the bike is sitting and it will keep the battery up for you.

Larry

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post #5 of 10 (permalink) Old 01-22-2005, 08:00 AM Thread Starter
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Speedwerkes sells them for $25, seems like an inexpensive insurance policy to maintain my battery.
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post #6 of 10 (permalink) Old 01-22-2005, 09:44 AM
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And if you get a battery charger. Make sure you get a "Automatic" charger....that way if you forget about it, you won't smoke your battery.




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post #7 of 10 (permalink) Old 01-22-2005, 11:06 AM
 
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I like to take the battery out of my bike and charge it with my auto charger. Only takes a few minutes to get it out of the bike. That way I can physically inspect the battery and fill it with water when it's finished charging. I make sure the overflow is hooked up properly, and that the connections are clean and tight. Even my 79 Suzuki doesn't have a kick-start, so the battery is very important.
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post #8 of 10 (permalink) Old 01-27-2005, 08:42 AM
 
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The tender is good because it keeps the charge up and shut off when its done. If you leave the battery sit in the cold and completly die and just charge it in the spring, you could cause damage to the cells or they just go bad because the battery went stone dead. If you don't want to deal with the tender or chargers, just take it out of the bike, put it somewhere in the house or garage that stays room tempature. Don't put it on the cold floor, I've heard that kills them too. Just my
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post #9 of 10 (permalink) Old 01-30-2005, 10:52 AM
 
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Quote:
Originally Posted by F4i Guy
If you leave the battery sit in the cold and completly die and just charge it in the spring, you could cause damage to the cells or they just go bad because the battery went stone dead.
This is why battery tenders are a good thing. Everytime a battery is "dead" then recharged, it loses some life. A battery that is kept at full charge (from frequent use of the bike, or with a tender) will last longer.

A battery tender IS a charger ... just a really low amp one. It monitors the battery's charge, and when it drops below a certain point, it kicks on and charges it back up (then stops and goes back to just monitoring). The combination of low amperage charging and keeping the battery at full charge extends the life of the battery.

If you install the permanent leads that come with it, it's really a snap to use - you just plug in the connector when you park the bike.

- Brian Roach
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post #10 of 10 (permalink) Old 01-30-2005, 11:35 AM
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I put those permanent leads on my bike and it works great. Plug the bike in so it's always ready to go!




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