Battery trickle charger - BMW Luxury Touring Community
 
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post #1 of 9 Old Jun 8th, 2011, 10:02 pm Thread Starter
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Battery trickle charger

I keep my bike plugged in with one of these whenever the bike is not in use (obviously ) and started to wonder today if it can cause damage to the battery over time. It does have a float charge to it and is suppose to maintain the battery charge at all times, but i do not know. Any thoughts or advice would be appreciated.

Thanks.

Bob
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post #2 of 9 Old Jun 8th, 2011, 10:30 pm
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Re: Battery trickle charger

I have a 1.5 amp Schmacher maintainer that I bought at Wal*Mart some time ago. It charges slowly and turns itself off when the battery if fully charged. Supposedly, it will turn itself on when the battery's voltage drops. I have never actually seen this happen, but the battery is always charged and ready to go when I am. There are only a few weeks a year when the LT is hooked up to the maintainer. I try my best to keep the battery charged by running the engine.

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post #3 of 9 Old Jun 8th, 2011, 10:54 pm
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Re: Battery trickle charger

If you use the float chargers - "Battery Tender" or "Schumacher" or similar - then your battery will last a lot longer. I keep my three bikes charged with a battery tender and I haven't bought a battery in a couple of years.

If you leave them uncharged, they will likely sulfate and destroy the battery. Then you either un-sulfate them or recycle. Both can be avoided with the tenders.

Mike

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post #4 of 9 Old Jun 9th, 2011, 5:36 am
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Re: Battery trickle charger

Quote:
Originally Posted by beemermike
If you use the float chargers - "Battery Tender" or "Schumacher" or similar - then your battery will last a lot longer. I keep my three bikes charged with a battery tender and I haven't bought a battery in a couple of years.
+1
I have a 2005 1200LT that is attached to a Battery Tender whenever it sits idle for a couple of days. It is still the original battery.

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post #5 of 9 Old Jun 9th, 2011, 6:59 am
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Re: Battery trickle charger

Quote:
Originally Posted by Outbacker
I keep my bike plugged in with one of these whenever the bike is not in use (obviously ) and started to wonder today if it can cause damage to the battery over time. It does have a float charge to it and is suppose to maintain the battery charge at all times, but i do not know. Any thoughts or advice would be appreciated.

Thanks.
If this is truly a properly designed battery maintainer, then this is the best thing possible for your battery. Most batteries like to be kept at 100% SOC and will last longest in that state.

Ironically, I am at a battery conference in Mainz at the moment learning more about batteries of all kinds than I ever expected to know...

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post #6 of 9 Old Jun 9th, 2011, 5:38 pm
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Re: Battery trickle charger

I keep three bikes on battery support. From my experience you need to be more diligent about keeping the electrolyte levels up. I assuming the trickle charge contributes to a higher rate of loss.

Motor On ,/'


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post #7 of 9 Old Jun 9th, 2011, 5:46 pm
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Re: Battery trickle charger

Quote:
Originally Posted by Voyager
I
Ironically, I am at a battery conference in Mainz at the moment learning more about batteries of all kinds than I ever expected to know...
I'm sort of interested in this idea: http://www.batterystuff.com/solar-ch...2.5Wframe.html
Its a solar charger, .123 AMPS.
If you get a chance, ask about these? Thanks,
Frank
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post #8 of 9 Old Jun 10th, 2011, 1:57 pm
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Re: Battery trickle charger

Quote:
Originally Posted by jkersh1
I keep three bikes on battery support. From my experience you need to be more diligent about keeping the electrolyte levels up. I assuming the trickle charge contributes to a higher rate of loss.
Substantial water loss is a sign of overcharging. You need a new charger that is designed to maintain a battery, not just charge it. A standard charger, even a so-called "trickle" charger often lacks the intelligence required to remained connected to the battery all of the time.

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post #9 of 9 Old Jun 10th, 2011, 1:59 pm
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Re: Battery trickle charger

Quote:
Originally Posted by fpmlt
I'm sort of interested in this idea: http://www.batterystuff.com/solar-ch...2.5Wframe.html
Its a solar charger, .123 AMPS.
If you get a chance, ask about these? Thanks,
Frank
I am back in the states already, but in any event this conference was about large batteries for automotive use in HEVs, etc.

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