Wires Won't Stay in Charge Controller - Page 3 - Fiberglass RV


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Old 08-04-2014, 05:44 PM   #29
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Some 3M VHB tape might hold strong enough
That's kind of what I did. I used vhb tape to fasten velcro to the charge controller and to the wall. That part seems to be working OK. Won't know for sure until I head down the road.
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Old 08-04-2014, 09:52 PM   #30
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I soldered my stranded wires to make them solid then squeezed them with vise grips to make them square. Once made square they fit right in the connector.
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Old 08-05-2014, 03:12 PM   #31
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The 2 holes with wires are the solar panel. The next 2 holes are for power and they are all the way open. The next 2 aren't used.

You might have to cut away a few strands of the wire to make them fit.

This is the one weakness of these controllers. They use them for solar powered street lamps and use solid wire instead of stranded.


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Old 08-05-2014, 03:50 PM   #32
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They use them for solar powered street lamps and use solid wire instead of stranded.
That explains a lot, now my controller makes more sense.
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Old 08-06-2014, 12:18 AM   #33
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That's the reason for the extra terminals you don't use. It's to separate the loads from the battery so they can be programmed to shut off the lights rather than kill the battery.


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Old 08-07-2014, 01:49 AM   #34
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Wires Won't Stay in Charge Controller

In that case, tinning should really help.


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Old 09-06-2014, 11:43 AM   #35
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All of the above shortcomings and required workarounds really stress the need for a purpose built panel mounted controller. The market is new, but rapidly growing, and makes economical sense to jump in.
Some desirable traits would be:
A flat profile to be recessed behind the panel frame.
totally water proof.
MC 4 receptacle or wire pigtail for "panel in".
Robust terminals for "controller out" sized for big wire for long runs.
Strain relief for controller out conductors.
Clearly labeled selector for all battery types.
USB output?
Earth bonding lug to connect to panel frame.
Multi-lingual instructions with pictures.

Non of these items would add much cost to the manufacturer, and would provide marketing advantages for sales.

Renogy probably contracts out for their controllers, but could specify exactly what they want, and have them in a few months.

Russ
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