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Old 09-26-2021, 12:14 PM   #1
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Is it bad to trickle charge continuously?

Iím just curious is there any harm in keeping my lead acid chassis battery trickle charging when Iím plugged into GG for 2 months or more? Should I pop the caps on the battery so it vents better?
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Old 09-26-2021, 12:34 PM   #2
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As long as you have a good trickle charger. No harm. Leave the caps on.

Most vehicle manufacturers now add technology to minimize parasite power drains issues.

Personally, I would have a multimeter and check tje change periodically. Then plan to start the chassis engine once a month and let it run for an hour.
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Old 09-27-2021, 04:27 PM   #3
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We leave the Rv and garden tractor batteries on a Battery Tender Junior while away for 5 or 6 months and never had a problem. My 6 month guarantee tractor battery is on it's 4 season. Some like a Noco Genius brand but I will keep mine till they die.
These "tenders" have a chip that just puts enough power to keep the batteries at 100%. Some "trickle" chargers put a consistent amount of power into the battery which may be to much or not enough.
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Old 09-27-2021, 06:08 PM   #4
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A trickle charger always charges, whether it needs it or not. A smart charger or battery tender varies the charge depending upon need. For the last 7 years we've just plugged our camper in and let the inverter monitor and charge as appropriate.

What is a GG?
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Old 09-29-2021, 03:16 PM   #5
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If you are using the converter in your camper to trickle charge, be careful. Check to see if it is a smart charge type. My 2008 BHS wasn't, put 13.6 volts into the batteries constantly. Almost wrecked my new 6 volt golf cart batteries I had installed. Got a new converter from Best converter that will only give he batteries what they need, 14.7 V when they are down, drops to 13.7 V to top them up and drops to 13.2 V float. Works great.

A battery tender or smart charger external to the camper would be fine

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Old 09-29-2021, 05:06 PM   #6
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Left mine on Battery Tender for 4+ years 24/7 while in storage, no problems at all. Caps on, just check water level every couple of months.
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Old 10-05-2021, 12:35 PM   #7
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I leave our TT plugged in year round.

I've used Schumacher brand battery maintainers on all my other items that need off-season battery tending. Used on snowmobiles, boats, motorcycles, cars and even my old Cessna 172 airplane with a 12 Volt electrical system.
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