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12/24 DC to DC charger powered with MPPT regulator

Hi there,

I've been fiddling for a while now with a DC-to-DC charger 12 to 24 and had no luck recharging it with a smart MPPT 75/15 and 2 solar panels 160w 8.75 amp.

When connected to load the output trips as it's demanding too much power and when connected to the battery it's constantly switching on and off.

I tried to use the MPPT regulator on its own as is capable of 24 v but the panels arent getting above 26 v and if I understand well the regulator won't kick in until 5 v above the charge of the battery.

Can anyone help me clarify if I got this right to this point and perhaps the only way is to add more panels?

Thanks


orion dc-dc
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kevgermany avatar image kevgermany ♦♦ commented ·

Are the panels wired in series or parallel?

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sek avatar image sek kevgermany ♦♦ commented ·
In Parallel with 12 V PV intake.
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