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Old 07-10-2020, 09:28 AM   #1
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Join Date: Apr 2015
Location: Denver, NC
Posts: 2,226
Battery Trickle Charger ?

Should my battery disconnect be on or off when using my trickle charger (Only have one battery) between camping trips say a month or so between trips ?

I have a BatteryMinder Plus it's only 1AMP I guess my question is when the battery disconnect is on I am powering the LP detector and probably have some other parasitic draw on the battery and wondering if my 1AMP is even keeping up or am I losing ground ?

The main reason I have have been leaving the battery disconnect off while the trickle charger is hooked up is I have the TT stored here at the house and I'll go open the awning to keep it shaded for parts of the day and I'm to lazy to turn the battery switch to do that or turn a light on in the evening every time I want to do that.
2015 Ram 2500 CTD,CC,SB,4x4
2016 Rockwood 2703 Emerald Edition
Husky CenterLine TS Hitch
Progressive Industries EMS-PT30X
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Old 07-10-2020, 09:42 AM   #2
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Join Date: Jul 2019
Location: Gibsonville, NC
Posts: 538
I use the BatteryMinder on all my tractors, mowers, the RV, etc. On the RV, the 1 AMP unit never gets to full charge to switch into maintenance (desulfate) mode due to the draws you mention. So for now, I just hook up via shore power to keep the batteries charged. I don't want to kill power to the unit for then I have to reset all the clocks (I know poor me) but I also lose the auto hitch height on the Lippert system. In the future, though, plan is to upgrade to the 2/4/8 amp BatteryMinder which will boost charging rate to accommodate those parasitic draws and allow the unit to go into maintenance (desulfate) mode.

Those bigger units cost about $160 compared to the $40 version so waiting for them to go on sale (plus save a couple coins).
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