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 > Weekend Warrior Converter Issue

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6.7lPSDFORD

Oregon

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Joined: 11/14/2021

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Posted: 11/15/21 06:19pm Link  |  Quote  |  Print  |  Notify Moderator

Skibane wrote:

Are you sure that 30 amps is the correct size fuse?

Your power converter is capable of supplying 45 amps.

If your batteries are drawing that full 45 amps through a 30 amp fuse, it's gonna blow.

30 amps is what the sticker states on the power converter and its also what was in them from the beginning, Im leaning more towards bad batteries, I think I might have them tested, because I do not understand why the batteries would demand that much from the converter to blow a fuse, maybe a bad cell I don't know.

I suppose I could up the fuse size but I need to look at the wiring amp rating so I don't start a fire.

Skibane

San Antonio, TX

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Posted: 11/16/21 12:49am Link  |  Quote  |  Print  |  Notify Moderator

Depending on a battery's state of charge, it can draw a huge amount of current.

A really discharged battery could draw hundreds of amps for a little while, if the battery charger was capable of supplying it.

It doesn't mean that there's anything wrong with the battery - That's just their nature.

For this reason, battery chargers are designed to limit the maximum amount of current they can supply.

Typically, this amount is less than the fuse size, or else the fuse would blow instead.

...which again brings me to the question: Why are they using a 30 amp fuse with a charger that's capable of supplying 45 amps?

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