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Old 03-05-2023, 08:16 AM   #1
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Battery maintenance

What is the best method to keep the battery on your pop up maintained? Trickle charger?
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Old 03-05-2023, 08:36 AM   #2
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I have a trickle charger permanently mounted but do not have it always plugged in. In the summer months, if it has not been used in the last 30 days, I plug it in for about 24hrs just to keep it up to capacity. I also charge the battery before I head out. In the winter months, I take the battery out and put it on my work bench and charge it about once a month.
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Old 03-05-2023, 09:02 AM   #3
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If the battery is just sitting it doesn’t drain at a high rate. I always bring the trl to the house at least a day before trip, so I plug in the trl let it charge. If your pop up doesn’t an inverter then yes a trickle charger over night
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Old 03-05-2023, 10:08 AM   #4
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Do you recommend a trickle charger permanently mounted? I like that idea.

I keep my pop up in the garage, so power is available.
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Old 03-05-2023, 10:38 AM   #5
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Originally Posted by moose074 View Post
If the battery is just sitting it doesn’t drain at a high rate. I always bring the trl to the house at least a day before trip, so I plug in the trl let it charge. If your pop up doesn’t an inverter then yes a trickle charger over night
Having an inverter has nothing to do with keeping the trailer batteries in check.
An inverter provides AC power from DC batteries.
A converter can charge DC batteries from AC power.

A trickle charger just keeps batteries at their optimum without overcharging.
Search “Battery Tender”
If applicable, you still need to monitor the water level of batteries that aren’t sealed units.
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Old 03-05-2023, 10:41 AM   #6
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Originally Posted by Boemer Bunch View Post
Do you recommend a trickle charger permanently mounted? I like that idea.

I keep my pop up in the garage, so power is available.
If it is a trickle charger with some kind of regulation, then it would be OK to install and leave on.

A fully charged and disconnected battery will maintain almost a full charge for many months. I've never kept a battery on any kind of trickle/maintainer charger when stored. Simply charge to capacity and disconnect.
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Old 03-05-2023, 10:45 AM   #7
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Do you recommend a trickle charger permanently mounted? I like that idea.

I keep my pop up in the garage, so power is available.
Plug the trailer shore cord into a garage outlet.
Let the trailer's converter do what it's designed to do, keep the battery charged. Just check the battery cells fluid level once a month.
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Old 03-05-2023, 11:11 AM   #8
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Plug the trailer shore cord into a garage outlet.
Let the trailer's converter do what it's designed to do, keep the battery charged. Just check the battery cells fluid level once a month.
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Old 03-05-2023, 01:26 PM   #9
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I do what Dan & Larner said above. I installed a battery cut-off switch also. I charge for 24 hours every 6 weeks, when I'm not charging I turn my cut-off switch on, so there's nothing slowly draining the battery.
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Old 03-05-2023, 02:00 PM   #10
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Originally Posted by kenandterry View Post
Having an inverter has nothing to do with keeping the trailer batteries in check.
An inverter provides AC power from DC batteries.
A converter can charge DC batteries from AC power.

A trickle charger just keeps batteries at their optimum without overcharging.
Search “Battery Tender”
If applicable, you still need to monitor the water level of batteries that aren’t sealed units.


You are correct used the wrong term
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Old 03-07-2023, 10:26 AM   #11
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Originally Posted by Boemer Bunch View Post
What is the best method to keep the battery on your pop up maintained? Trickle charger?
EITHER: 1. Disconnect the battery. Remove all wires from one post or the other, or install a disconnect switch. Leave the battery alone for up to 6 months.

OR: 2. Keep the battery charged with the converter or trickle charger.

Either method works. Some prefer one over the other. Sometimes I use #1, sometimes I use #2.

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Old 03-07-2023, 07:26 PM   #12
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Thanks everyone. This gives me good insight.
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Old 03-07-2023, 07:57 PM   #13
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when I'm not charging I turn my cut-off switch on, so there's nothing slowly draining the battery.
On most battery disconnect switches, the "ON" position means the battery is connected, the battery is turned "ON". The "OFF" position means the battery is turned "off", it is disconnected from the loads on the load side of the switch. Sometimes the disconnect switch will have another position that allows you to remove the "key" or handle when in the "OFF" position with the battery disconnected.

From the factory, the propane leak/CO detector will be wired to the battery itself and not disconnected with the switch which will draw a small load off the battery.
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Old 03-07-2023, 08:04 PM   #14
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What kind of battery?

The OP never stated what kind of battery he has, did he? Is it lead-acid or li-ion? Lead-acid - use a "smart" trickle charger, the TT's charger or disconnect and charge congressionally. Li-ion - drain to 50% and leave it be.
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Old 03-07-2023, 08:31 PM   #15
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... or disconnect and charge congressionally. ...
OK, I'll bite. What does that mean?
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Old 03-07-2023, 08:52 PM   #16
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OK, I'll bite. What does that mean?
Well, to charge your battery like congress I would assume means there would be absolutely nothing done to the actual battery at all
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Old 03-07-2023, 08:53 PM   #17
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OK, I'll bite. What does that mean?
I'll guess its "auto-correct speak " for " occasionally ". [emoji28]
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Old 03-07-2023, 10:27 PM   #18
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I'll guess its "auto-correct speak " for " occasionally ".
NMWildcat's explanation is equally plausible.
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Old 03-07-2023, 10:38 PM   #19
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NMWildcat's explanation is equally plausible.
Very [emoji106]
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Old 03-07-2023, 11:36 PM   #20
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On most battery disconnect switches, the "ON" position means the battery is connected, the battery is turned "ON". The "OFF" position means the battery is turned "off", it is disconnected from the loads on the load side of the switch. Sometimes the disconnect switch will have another position that allows you to remove the "key" or handle when in the "OFF" position with the battery disconnected.

From the factory, the propane leak/CO detector will be wired to the battery itself and not disconnected with the switch which will draw a small load off the battery.
Yeah, I worded that oddly. I meant I turn it on to the off position!
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