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Engine battery


DEEANDEM

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Advice wanted

I have a Hymer B654. By mistake i left the side lights on for a number of days and it has taken a lot of power out of the starter battery. If i put the vehicle on mains hook up will this put a charge into the starter battery.

Derrick

 

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I would think it should but dont quote me on that....I did same thing on my MH when putting a radio in and got the 12v feeds mixed up..the darn thing drained my battery....I hooked her up and the battery rechared...so I would think that the principle would be the same.
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Guest caraprof

Mmmm. I'm not sure of that. My own motorhome vehicle battery most certainly charges from the electric hook up (EHU). On my control panel I have a switch which allows me to decide which battery should be charged, either the vehicle or the leisure battery.

I would have thought that most motorhomes, modern ones anyway, will have a system where you can charge the vehicle battery from the EHU.

You can also fit a device which will charge both and keep them topped up whilst on site if you don't have that facility already.

I think that it's called a Battery Master, but I forget who makes it. I'm sure someone will soon leap in with a name!

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Guest starspirit

I can't say I would be enamoured at the thought of linking the two batteries with a thin cable and cigar lighter plug even with a 15a fuse.

These thing can get pretty darned hot with that sort of current?

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Thank you one and all for your replies.

I put the mains hook up on overnight and i took a look at the information panel this morning and it is showing that both battries are fully charged.

Hymer must have a automatic system for gharging the battery that needs topping up.

Derrick

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