Reader Question: Can I Charge My RV Battery With An Inverter Connected To The Battery?

Ah, perpetual energy without solar panels or a generator!

Readers of this website normally can’t contact me, because there isn’t a “Comments” function, nor is there an “Email” button. But hey, this is the Internet Age, and it shouldn’t be too difficult to contact me if one really wants to. Then of course, it is more than likely I will ignore you. However, in this case, I recently received an interesting inquiry worth discussing.

 

 

Hi Nick,

I read your posts on solar and batteries and have a question. Why can’t I just connect an inverter to my trailer’s battery and then power a battery charger with the inverter. Seems the battery would always be 100% charged.

 

Not only is the answer, “No,” but trying to do this will cause a battery to go dead very quickly. There are two ways to explain this. The first is by using some simple math, and the second is to experiment under real-world conditions. I’ll do both. Before we start, we need to define a couple terms.

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I’ve Been On Holiday For Almost Two Months

If you read this blog with any frequency, you have noticed no activity here for several weeks. Nope, I haven’t been neglecting the blog; there have been more important things to attend to.

Towards the end of September, we returned home after a two-week camping trip in Sequoia National Forest. On my mind as we pulled up the house, with the camper attached to our SUV, was the fact the end of September means October is about to begin; and October is the  best month of the year to camp in the deserts we frequent.

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Camping in the Southern Sierra: What Day is It?

We just got back from a couple of weeks of camping in Sequoia National Forest. The trip was a transverse of summer and fall – that is the first official day of fall occurred in the middle of our trip. Mother Nature ignored the transverse timing. I ignored it too because time; minutes, hours, days, months and years are man-made tick marks. Since I retired these points in time are irrelevant. I get up with the sun and go to bed at night when I become sleepy. I sleep for as many hours as my body demands, which is now at least 8 hours and sometimes 10 hours. No need for alarm clocks or even a clock.

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Is The President of the United States The Moral Authority of America?

What’s Up With That?

I normally don’t write about politics here. However, this subject needs attention.

Charlottesville Violence

There has been much conversation about the violent protest last month, and criticism of President Trump for what he didn’t say, and then what he did say. The criticism keeps coming back to the point that many Americans and most of the media/press think the office of the president is the moral authority of our country.

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The Inconsistencies of USGS Topo Maps: WTF?

What’s Up With That?

Buyer Beware

This post isn’t a condemnation of the U.S. Geological Survey (USGS), but a caution that all USGS Topo maps aren’t created equal. In fact, I think the USGS is one of the very few worthwhile government services. So let’s take a look at some of the inconsistencies of these topo maps that might cause problems for those walking in wild areas.

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