question

wguillaume1979 avatar image
wguillaume1979 asked

which victron MPPT charger should i get for 450watts solar panels

Hi.


I just got 3 solars panels 150watts each that i plan to put on series.

System with 12V batteries.


Which victron MPPT do i need?


Thanks guys


Guillaume

MPPT SmartSolar
1 comment
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Pieter Boomsma avatar image Pieter Boomsma commented ·

Hi, we need some more information. What is the VOC? (most important) Also, i would like to get you this link to calculate it yourself: https://www.victronenergy.com/mppt-calculator?_ga=2.151710128.848918994.1598442677-1231387725.1580734145

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3 Answers
trip-tracks avatar image
trip-tracks answered ·

A 100/30 is all you need.
Unless your panels have a Voc above 30V - in that case you would need to go with a higher input voltage regulator like a 150/35

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ray-mont avatar image
ray-mont answered ·

@wguillaume1979

My preference I Is to use the below Victron Excel calculator
https://www.victronenergy.com/upload/software/VE-MPPT-Calc-3_6.xlsm
fill in the details of your panel and it will show it all
Ray

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rikesh avatar image
rikesh answered ·

I have

8x400w Sunpower maxeon3 panels which have a VOC of 75.6 so would like your suggestion on the Victron MPPT to use.

VOC-75.6

Any suggestions?

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1607915095396.png (32.5 KiB)
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