RV Maintenance Tip: Bad Solar Panel

Bob, I have a 2004 National RV Dolphin motorhome with a small solar panel on the roof for maintaining a charge on the two 6-volt coach batteries. The panel’s surface is severely cracking, curling and peeling, so I doubt it’s providing much of a charge. National RV has gone bankrupt, and the phone number listed on the 10-year service warranty for the 7-watt Solar ChargeMaster charger is no longer in service.

I’m not sure where to test the charger’s output or get a replacement panel. I don’t even know whether a new panel will match the charger.

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