Forum Discussion
Boon_Docker
Oct 01, 2016Explorer III
Your two GR27 batteries give you about 160 Amp Hours. Four GR31 batteries will give you over twice that amount about 400 Amp Hours.
The 30 amp controller can handle five 100 watt (12 volt) panels connected in parallel.
Hard to say if the pre-wire is of the proper gauge to handle 30 amps without any voltage drop.
The 30 amp controller can handle five 100 watt (12 volt) panels connected in parallel.
Hard to say if the pre-wire is of the proper gauge to handle 30 amps without any voltage drop.
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