Trickle chargers
#2832412
10/13/20 06:35 PM
10/13/20 06:35 PM
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Joined: Jan 2003
Posts: 4,733 Moved to N.E. Tennessee
GomangoCuda
OP
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OP
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Joined: Jan 2003
Posts: 4,733
Moved to N.E. Tennessee
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It's getting to be that time of year again. What do like? There must 50 different ones on Amazon. There seems to be new more advanced models every year. Are any of their claims valid Or just snake oil advertising hype? Are they really any better than any old 2 amp charger? If you have 2 or more batteries in a vehicle does each one need a dedicated trickle charger or can they be charged in parallel? Thanks.
In theory, there is no difference between theory and practice. In practice, there is.
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Re: Trickle chargers
[Re: 71birdJ68]
#2832517
10/13/20 11:46 PM
10/13/20 11:46 PM
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Joined: Jan 2003
Posts: 4,733 Moved to N.E. Tennessee
GomangoCuda
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OP
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Joined: Jan 2003
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Moved to N.E. Tennessee
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What type of battery? It makes a difference. Plain old lead acid car batteries. Not AGM. I can disconnect the battery in my 50 year old Barracuda but the computers in the 97 Firebird and 2017 motorhome don't like being disconnected for longer than it takes to swap batteries. Both of those vehicles are hard on batteries. The Barracuda has had 2 batteries in the last 20 years. First one lasted about 15 years. Lol. I use marine batteries in it.
Last edited by GomangoCuda; 10/13/20 11:53 PM.
In theory, there is no difference between theory and practice. In practice, there is.
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Re: Trickle chargers
[Re: GomangoCuda]
#2832522
10/14/20 12:13 AM
10/14/20 12:13 AM
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Joined: Nov 2004
Posts: 16,493 On the run…
BloFish
I Live Here
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I Live Here
Joined: Nov 2004
Posts: 16,493
On the run…
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Disconnect the negative cable and trickle charge every so often, that has worked for me.
It really doesn't matter whether you win or lose… as long as you look good doing it!
‘65 A100 ‘69 ‘Cuda ‘73 Vega GT ‘06 Mega Cab ‘14 Mercedes SLK
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Re: Trickle chargers
[Re: GomangoCuda]
#2832565
10/14/20 07:22 AM
10/14/20 07:22 AM
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Joined: Jan 2006
Posts: 8,162 USA
360view
Moparts resident spammer
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Moparts resident spammer
Joined: Jan 2006
Posts: 8,162
USA
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For several years I have been impressed with this one: https://www.amazon.com/Pulsetech-Xt...8-1&keywords=desulfating+charger#AskWhen it gets the battery fully charged, the “trickle” cycle consumes 1 watt of power more than when the unit is on but no battery connected, which is roughly 1/14.2 = 70 milliamps “Trickle Current” It can charge two batteries in parallel. I wish it had a 90% charged LED too, instead of individual LEDs for 75% and 100%, or a 1-100% digital readout.
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Re: Trickle chargers
[Re: 360view]
#2832593
10/14/20 08:56 AM
10/14/20 08:56 AM
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Joined: Feb 2011
Posts: 211 Halifax, VA.
moparjack44
enthusiast
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enthusiast
Joined: Feb 2011
Posts: 211
Halifax, VA.
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Been using my Battery Tender for probably 20 years. Got from O'Reilley, no problems, and I use it all season. I keep it hooked to my battery and just plug it in when I drive into the garage. Jack
K.I.S.S.
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Re: Trickle chargers
[Re: hemienvy]
#2832595
10/14/20 09:06 AM
10/14/20 09:06 AM
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Joined: Jan 2003
Posts: 8,028 Tulsa OK
Bad340fish
master
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master
Joined: Jan 2003
Posts: 8,028
Tulsa OK
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I got the Optima charger, though maybe it's not a trickle charger, can't remember. $89 at Summit. I like it. These are great, I have worked for a Battery Distributor for 22 years and this is what I use on my stuff at home. If you put your car away with a fully charged battery, and there is no electrical draw you should have a fully charged battery after a few months.
68 Barracuda Formula S 340
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Re: Trickle chargers
[Re: Andrewh]
#2832951
10/15/20 10:15 AM
10/15/20 10:15 AM
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Joined: Oct 2007
Posts: 4,324 St. Louis, Mo
318 Stroker
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Posts: 4,324
St. Louis, Mo
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I used to like battery tender, till I found out their warranty was garbage, and of course that fire the one member had. Will plugging a trickle charger into a GFI outlet prevent a fire if the charger shorts out?
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Re: Trickle chargers
[Re: 318 Stroker]
#2832952
10/15/20 10:20 AM
10/15/20 10:20 AM
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Joined: Feb 2003
Posts: 8,686
Andrewh
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I used to like battery tender, till I found out their warranty was garbage, and of course that fire the one member had. Will plugging a trickle charger into a GFI outlet prevent a fire if the charger shorts out? I don't think so. A GFCI outlet measures the power coming in and then returning to your panel as it completes the circuit. It was designed to detect any difference more than 4 or 5 milliamps and to react quickly (less than one-tenth of a second) to shut down any circuit out of this small range. which is not the issue. It is using all that power to create fire. It isn't shorting through something to ground. It is shorting to itself.
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