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    Battery Charger, Inverter problem

    I have a Model UY180 battery charger 58.8 volt 3.0 amps which I plug into my new Renogy 2000 watt pure sine wave inverter to charge my bike battery when biking/camping off grid. The charger surges (fan speed goes up and down). The AC voltage coming from the inverter is varying from 96 to 120 volts. I sent the inverter back to Renogy they tested it saying it is "fully functional". Has anyone had a problem with these battery chargers? It works just fine on household AC. Trying to figure out if it is the charger or the inverter. This is driving me nuts!
    Last edited by Brokenspoke; 10-07-2019, 08:10 AM.

    #2
    I have seen chargers have problems with inverters before, not specific to the charger or inverter you mentioned but it can happen. I would assume due to it possibly not being a true sine wave.

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      #3
      Thanks for your reply. I can't comment on whether it is a true sine wave inverter only take the manufacturer's word on that. I just purchased a second pure sine wave inverter, different manufacturer and different wattage. Same result from the new inverter. This inverter has a display that indicates a 'short circuit'. So next step, buy a new battery charger and see where that takes me!

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        #4
        You are probably better off just buying something to step up the DC voltage rather than going DC>AC>DC. Try this https://www.amazon.com/dp/B01HCL7LEW/

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          #5
          Thanks for the suggestion!! I didn't know there was such a piece of technology! I have a solar panel system at present to charge my camper battery complete with a charge controller. It is a Renogy 100 watt 12 volt suitcase style system with a 20 amp charge controller. https://www.renogy.com/100-watt-ecli...olar-suitcase/ I believe it has up to a 6 amp output. Any suggestions how I would hook up the charge controller that you suggested to this or to my 12 volt camper battery? I'm treading on the edge of my knowledge base here. I greatly appreciate your help.

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            #6
            You might try asking for tips from the folks in this thread https://electricbike.com/forum/forum...-the-same-time

            They are more familiar with this product than I am. It can be a little tricky to use but it does come with a printed manual for what it's worth.

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