Inverter

[Chris Wendt]

I have a 2016 pinnacle that was in the shop for three weeks, so I'm sure the battery died. My problem is that it's been home for a day and half and the inverter had an error code. It appears to be under voltage. My question is how long do you need for shore power to charge battery back up?

[dalebra]

A long time! It could take days. It would be best to take the battery out and put it on a regular car charger. But first you may want to take it to an auto parts store and have them check the health of the battery.

[Chris Wendt]

Thanks, I was surprised that after a day and half on shore power that it would be charged. My unit only came with one battery. I'm about to head out on s trip. Will it continue to charge being plugged into my truck?

[norty1]

Originally Posted by Chris Wendt

Thanks, I was surprised that after a day and half on shore power that it would be charged. My unit only came with one battery. I'm about to head out on s trip. Will it continue to charge being plugged into my truck?

Not much. It needs a full charge and test, it may not recover. Depending on long it sat discharged.

[Nukeneck]

I read on a battery website somewhere (sorry no link) that it takes 3 full days to charge batteries by being connected to shore power.

[RoyBraddy]

If you have added an additional POWER Inverter only having one battery is not a real good idea. Power Inverters eat up batteries real quick.

If you are referring to your ON-BOARD Converter/Charger as an INVERTER unit then you may need to make sure you have a smart mode type charger being used. Most of the newer trailers have this smart mode chargers since the 2012 models... You might let us know what your Converter/charger model number is...

You also need to make sure all of the fuses between the Converter/charger and the battery terminals are still functioning... Perhaps you have a battery disconnect engaged and your battery is not getting charged from the shore power connection.

I always use a multimeter at the battery terminals to check the DC VOLTS to be sure things are normal... A fully charged battery not plugged into shore power should read around 12.6-7VDC just sitting there. When you plug into shore power this reading should jump up to 13.6VDC or whatever Charge Voltage mode the converter is doing. If you don't see the DC VOLTAGE jump up at the battery terminals then your on board charger is not getting to your battery terminals for various reasons...

Something may have been disconnected from being in the shop for repairs etc...

Also from my experience with batteries if they have been discharged below 50% charge state for a long period of time they usually DO NOT recover and need replaced. You might bring this up with the repair shop... I would not start a trip with this battery until you determine it is OK...

Just saying....
Roy Ken