Hello.Our converter appears to be working properly (Converter output voltage is 13.6), but the battery is not charging properly. I checked all panel fuses, inline fuses, and connections, and everything looked good. During our last camping trip, when I noticed the issue, I found that the converter wire at the breaker was loose, and I fixed that. Unfortunately, the battery was all but dead after we'd been gone all day (wife left air conditioner on - that didn't help matters), so we had to buy a new battery. I was hoping with the wire reattached and a brand new battery, that I'd be good to go...apparently not. Thoughts on what to do next?

The breaker (120v I presume you mean) must be ok or you would not be getting 13.6v DC out.Air conditioner has nothing to do with the battery running down.Going from the converter's output to the battery with a multimeter on volts, find where you lose the 13.6 and only get battery 12.x.

Why does the wife leaving the Air conditioner on most of the day matter for a battery issue?

Forget the part about the air conditioner. I realized that after I posted, but I didn't feel like deleting it.

As BFL said, check voltages. With the battery connected to the converter, and the converter running, you should have 13.6 volts (or more) at the battery as well as each location along the circuit. If it is lower, wherever that drop occurs is the problem. A possible time saver for you. Clean the ground on the battery as well as the grounds to the converter and frame. The most frequent cause of 12 volt problems is a dropped ground , and its usually a corrosion issue.

Where are you taking this voltage reading. At the battery terminals?

Converter/battery | Good Sam Community

Boon_Docker
Explorer III
Jun 12, 2018
Herd Fan wrote:
Boon Docker wrote:
Where are you taking this voltage reading. At the battery terminals?

Per the operator manual, I checked the voltage at the fuse panel with a voltmeter (positive probe on the +VCC output terminal lug, and negative probe on the NEG- output terminal lug).

Follow the positive cable from the battery and look for one of these within a couple feet from the battery. It is a circuit breaker and should have a small reset button.
Herd_Fan
Explorer
Jun 12, 2018
Boon Docker wrote:
Where are you taking this voltage reading. At the battery terminals?

Per the operator manual, I checked the voltage at the fuse panel with a voltmeter (positive probe on the +VCC output terminal lug, and negative probe on the NEG- output terminal lug).
Boon_Docker
Explorer III
Jun 12, 2018
Where are you taking this voltage reading. At the battery terminals?
kerrlakeRoo
Explorer
Jun 12, 2018
As BFL said, check voltages.
With the battery connected to the converter, and the converter running, you should have 13.6 volts (or more) at the battery as well as each location along the circuit. If it is lower, wherever that drop occurs is the problem.
A possible time saver for you. Clean the ground on the battery as well as the grounds to the converter and frame. The most frequent cause of 12 volt problems is a dropped ground , and its usually a corrosion issue.
Herd_Fan
Explorer
Jun 12, 2018
Forget the part about the air conditioner. I realized that after I posted, but I didn't feel like deleting it.
kerrlakeRoo
Explorer
Jun 12, 2018
Why does the wife leaving the Air conditioner on most of the day matter for a battery issue?
BFL13
Explorer II
Jun 11, 2018
The breaker (120v I presume you mean) must be ok or you would not be getting 13.6v DC out.

Air conditioner has nothing to do with the battery running down.

Going from the converter's output to the battery with a multimeter on volts, find where you lose the 13.6 and only get battery 12.x.

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