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Old 08-11-2020, 05:35 PM   #1
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Question - Will inverter provide 12VDC if your remove coach batteries

I need to remove all my batteries and clean/paint battery box
I live full-time in RV so need to continue to have 12VDC for lights
1) If I remove batteries will the inverter provide 12VDC with no problem
2) Will it hurt the inverter (inverter/charger) to not have batteries
Any issues with this I haven't thought of?

2008 Tiffin Phaeton
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Old 08-11-2020, 05:42 PM   #2
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There maybe warnings in your inverter manual about running it without batteries connected.
If you don't have the manual , check on the inverter for make and model , manufacturers have manuals on their web sites as free pdf downloads.
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Old 08-11-2020, 05:50 PM   #3
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If your manual says to not run it without batteries, just run a small wire or set of jumpers to your chassis battery, or any battery sitting on the ground.

All the inverter (converter?) really needs to see is 12+ volts coming from a battery source.

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Old 08-11-2020, 05:56 PM   #4
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Yes just don't get carried away with what you are using and make sure the battery cable ends are insulated
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Old 08-11-2020, 05:59 PM   #5
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It shouldn't even turn on, if it doesn't see at least 8 volts, so it shouldn't work.

You don't want to use it as a converter, thats not what it is. Its a battery charger and needs batteries to work properly.
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Old 08-11-2020, 06:53 PM   #6
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Don’t live in it full time but just did my battery trays/box area. Set them on wood under the coach and covered them up. Was that way for about 3 weeks no issues
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Old 08-13-2020, 08:51 AM   #7
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In your Phaeton you are probably talking about an inverter/converter/charger rather than a simple inverter-only, so a battery will not be required. The converter portion of the function should continue as long a it has shore power available. Just make sure the inverter cables to the batteries are disconnected and insulated so they cannot short to the metal body or frame and it won't hurt anything.
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Old 08-13-2020, 10:42 AM   #8
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Quote:
Originally Posted by Gary RVRoamer View Post
In your Phaeton you are probably talking about an inverter/converter/charger rather than a simple inverter-only, so a battery will not be required. The converter portion of the function should continue as long a it has shore power available. Just make sure the inverter cables to the batteries are disconnected and insulated so they cannot short to the metal body or frame and it won't hurt anything.
" Inverter/converter/charger " ???

I have seen inverter/chargers and I have seen converter/chargers, but never one of what you say he has.

Probably because there is no such thing.
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Old 08-14-2020, 10:17 AM   #9
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Quote:
I have seen inverter/chargers and I have seen converter/chargers, but never one of what you say he has.

Probably because there is no such thing.
Inverter/chargers are invariably also converters, producing 12v power for the house system and well as charging batteries whenever shore power is present. I include "converter" in the description to help people understand the total function being provided.


Converter: Convert 120vac to 12vdc to power appliances, lighting, etc.


Charger: Convert 120vac to suitable battery charging voltage and manage the flow of amperage into the batteries.


Inverter: Convert 12vdc to 120vac when no shore or generator power is available.
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