MPPT 250/100 250w upgrade to 405w panels

Question

question

wolfbarnsolar asked Apr 12, '24

currently running 16x250w panels in 4 strings

to update the panels to 405w i calculate I can only have 12 panels in 2 strings as to not overload the controller

are my calcs correct ?

MPPT Controllers

2 |3000

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Answer 1 · 2024-04-12T11:39:29Z

duivert answered · Apr 12 at 11:39 AM

Without specs there is nothing to say about it..

You can use the mppt calculator

2 |3000

Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.