My DC-DC is not producing its full power

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King76

Member
Joined
Mar 9, 2024
Messages
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Location
Quebec
Hello,

I plugged a Renogy 40A DC-DC into my van but it only deploys 20A, why?

However, I did not use the DCDC limiter. On the other hand, in this van, there is only one cable coming from the battery (positive). For neutral I connected to earth.

Could it come from there?

Thanks
 
What vehicle ?

To What are you referring ?
Econoline E-250.

I think I may have found the answer.

I check the value from my battery's mobile application. Two batteries in parallel, one indicated 20A and the other 18A.

Should we add the values?

Merci
 
Welcome to the forum.

It really helps to have more information to understand the context and situation.
 
Could be the receiving whatever, can only take/needs 20A.

Like McD's would like me to eat five Big Macs at a sitting, but I only want one. [Haven't been to McD, BK, etc. since the 22nd Century.]
 
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