Drained battery can I use car charger?
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TOPIC: Drained battery can I use car charger?
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Drained battery can I use car charger? 1 Year ago
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Stupid me. Took my son for ride last night and when I got home I put kickstand out to shut it down and let him off but forgot to turn off key. It wasn't dark yet and I didn't see the headlight was still on.
So this morning the battery is drained. Can I charge with car charger on trickle - I think lowest setting is 2 amps? Or does Autozone or others do MC trickle charges?
Bike/battery is 4 years old. Wonder if it's going to be toast now?
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Re:Drained battery can I use car charger? 1 Year ago
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I've charged MC batteries with a car charger. Maybe it will charge up and be all right. Killing it one time shouldn't kill it permanently.
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texasscott1 (User)
Two of a kind
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Re:Drained battery can I use car charger? 1 Year ago
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2 amps will work but keep an eye on the voltage. Charge it for a couple of hours then disconnect, let it sit for 30 minutes. When the terminal voltage after sitting is at least 12.8 volts it's fully charged.
I think the maximum charge rate for our batteries is 9 amps for 1 hour. It's printed on top of the Yuasa batteries.
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My 99 Standard Test Mule
Scott B.
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Re:Drained battery can I use car charger? 1 Year ago
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I've done it several times with no problems.. 
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Re:Drained battery can I use car charger? 1 Year ago
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I've done mine on the 2 amp setting for a coupla hours with no issues... 
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Re:Drained battery can I use car charger? 1 Year ago
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Battery care and maitenance info
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Re:Drained battery can I use car charger? 1 Year ago
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Thanks all!
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Re:Drained battery can I use car charger? 1 Year ago
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shacky wrote:
.........Can I charge with car charger on trickle - I think lowest setting is 2 amps?.....Bike/battery is 4 years old. Wonder if it's going to be toast now?
Car charger will work OK. Check the amp of the battery and divide by the charger amps. So if it's a 18 amp/hr battery and using a 2 amp charger - charge for 9 hrs. Voltage reading and load test will tell if it's toast. If fails the battery likely has a bad cell.
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Last Edit: 2012/06/11 13:08 By tibadoe.
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Joe
2009 Road Star Silverado S
2009 Ultra Classic Electra Glide
Star Touring & Riding
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Re:Drained battery can I use car charger? 1 Year ago
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Tug wrote:
Battery care and maitenance info Great article, just got done reading the whole thing.  Thanks, Tug! 
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Re:Drained battery can I use car charger? 1 Year ago
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Charged for 2 hours and it started right up! 
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