pianotuna wrote:
So 60 watts per 100 amp-hours, not 60% of the amp-hours.
Actually, that
is 60% of battery AHs.
120/200=.6, 180/300=.6; all 60%.
.6 * 440 = 264, 264/440 = 60%, or 60W per 100 AHs.
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I have two systems; 170W solar for 110AH or 170/110=154, and 130W for 79AH or 164%.
Using Jims classification, I am medium-small.
The first system runs my fridges and the 170W cannot keep up with the daily draws. I have run 4 days before being forced to supplement charging with the genny. However, I use the genny for MW cooking at least every other day anyway and then charge the bank some.
The second system is on the TT and is totally self sufficient with usage management.
