Forum Discussion
SJ-Chris
Nov 16, 2020Explorer II
Chum lee wrote:SJ-Chris wrote:
I'm going to be adding solar to my 2015 Class C Majestic 28a. I currently have 2 lead acid batteries that state they have 122AH capacity each (from Walmart). I'm trying to figure out if I should add 100w or 200w. My assumption is that 100w of solar will on average add about 30AH/day back into the batteries.
Enjoy!
Chris
One thing you need to be very clear on is if solar people are using an inverter or not. Using an inverter to power things like a 2/3 way gas/electric refrigerator (on electricity 12V or 120V)) or a microwave oven, coffee maker, etc. makes a HUGE difference on your electric consumption. In general, put the most solar panels on your roof that you can afford and have space for. For your application, 3-140 watt panels, if they fit, is a good place to start. IMO, you'll be glad you did.
Chum lee
Good point! For my purposes, I will be installing a small ~500-800w inverter primarily to be used for say a laptop or the TV/DVD player. It will not be for the microwave, AC, fridge, or coffee pot.
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