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Recommend me a solar battery charger


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2 hours ago, Andy135 said:

So... about this solar charger then... no recommendations anyone?

 

3 hours ago, suzook12 said:

MPPT controllers are the way to go...... Prob around a 20A panel

I did answer the original question........

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  • 2 weeks later...
On 12/18/2020 at 8:43 PM, GPSguru said:

Yes, that sound more like the problem. 
 

A pump switching on a handful of times every hour under torrential rain conditions would not flatten a decent battery, and over 4 weeks it hasn't rained 24/7 ! (Seems like though).

Those subs are good, but the sump well has to be kept very clean. I had one on my last RIB and it would stay on until the pump housing was cleaned.  I think I would change it for something like a Johnson or rule.

solar charging is ok but you need to fix the illness and not the symptoms 😉

 

I replaced the Supersub with a Rule pump this evening. The Rule is activated by a float switch, so no more dodgy sensors to keep running on.

Interestingly when I tested the new pump after installation it was getting no power. Turns out the old pump had blown the fuse - guessing it ran dry and seized but will inspect it in the morning to find out the cause.

Good news was that the House battery was still showing 12.46v, so either the fuse stopped the Supersub from draining the battery or the weather has been drier than forecast in Pompey over the last week or so.

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1 hour ago, Andy135 said:

Turns out the old pump had blown the fuse - guessing it ran dry and seized but will inspect it in the morning to find out the cause.

 

The supersub (as with most small bilge pumps) is not designed to run continuously, so I suspect it overheated and took out the fuse, which is a whole lot better than setting fire to your boat ! ..................

We have certainly had plenty of rain along the coast over the last week !!!!

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if you have the boat in the stack ,would the boat be in the shade from the boat above.

 

if you have a cuver on it. at the top of the stack would it blow off ? would be a long way to come to fix it.

 

so i soppose sopoase that scuppers would not be pretty or bling but  would work sun or no sun, or flaten your battery,

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