It’s currently producing 17 volts but only 0.8amps ? Is this correct ? It does not charge my leisure battery very well
Well this will depend on a few things, and so its cant be a cut and dried answer.
Ie system Voltage and the state of charge of your batteries, Mppt Panel out put and what goes into the battery
So if the Battery system is a 12 volt system then.
1. if the batteries are FLAT ie under say 12,5 volts then on a good sunny day at the peak of the day you would get say 8.0 amps (100/12.5) based on a 100w panel. going into the flat battery.
However the panel voltage maybe still 17 volts so out of the panels this would be 5.9 Amps but into the battery would be 12.5 and 8 amps (less losses etc)
2. if the batteries are full then the regulator should be reducing the current to close to zero or enouph to hold float volatage and supply any loads.
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