Battery
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Club Member
Joined: Jun 2010
Posts: 9,690
Likes: 7,251
From: Syracuse,NY
Battery
Ok I'm a dumbass. I left the accessories switch on for about 5 days and the 2010 FLHTK is pretty dead. The oil light comes on but that's it. The trickle charger has been on it for 4 hours and the battery shows no sign of charging. How long for it to charge or is the battery kissed?
Seasoned HDF Member
Joined: Oct 2012
Posts: 13,097
Likes: 13,030
From: Texas, USA
Your battery is likely dead. Also, a battery tender, some call them trickle chargers, will take a very long time to charge a dead battery. An actual battery charger would be better. But, if you are using the trickle charger, leave it on overnight. You can have the battery load tested at any auto parts store.
Road Master
Joined: Sep 2014
Posts: 762
Likes: 435
From: NE Oklahoma
Get it pulled and have the local auto parts guy perform a load test. Unless you have the capability to do it yourself. A load test is free and will let you know it’s status. Got a Digital Voltmeter? Detached from the tender, what’s the voltage reading?
An an actual battery charger may help if the load test is good.
An an actual battery charger may help if the load test is good.
Seasoned HDF Member
Joined: Sep 2017
Posts: 12,233
Likes: 4,943
From: England
Get it pulled and have the local auto parts guy perform a load test.
If you get something like a C-Tek 5.0 it has a mode to resurrect a flat battery.
Seasoned HDF Member
Joined: May 2019
Posts: 5,884
Likes: 11,267
From: NE Ohio
trickle chargers only throw an amp juice
.L.T.A.
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Thread Starter
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Club Member
Joined: Jun 2010
Posts: 9,690
Likes: 7,251
From: Syracuse,NY
Thanks. I might just go get a new battery so I know how old it is and about how many years to get another.
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Seasoned HDF Member
Joined: Oct 2010
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From: In a van down by the river
IIRC Battery Tenders won't actually charge a completely dead battery, if they read dead 0 on your battery they stop. You'd have to trick it to get it into charge mode, hook it up to a good battery (car or truck) wait for it to go green and go into charge mode, then swap it quick to the dead battery.