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RLS7201's avatar
RLS7201
Explorer II
Feb 03, 2015

Looking for a 40 amp MPPT solar charge controller

Looking for a 40 amp MPPT solar charge controller with fully adjustable charge voltages and an input voltage of 80 or more. Something like the unit in the link would work. Use pull down menu for 40 am...
pianotuna's avatar
pianotuna
Nomad III
Feb 05, 2015
Hi mena,

256 watts of panels on a clear cold December 21 net me about 17 amp-hours using a Blue Sky mppt 3024 di controller. Scale that up and about 500 watts would be needed to do 30 amp-hours in a day.

mena661 wrote:
4 panels wouldn't replace 30+Ah a day even in winter?

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