im building a tree house, well the stuture is already built, but i now want to put solar in it. how long would it take for a 12 volt solar panel to charge a 100 amp batterie? if you have suggestiones on other combonations or ideas PLEASE TELL ME! thx for your feed back
1)
A 12-volt, 100 amp-hour battery, fully charged, = (12)(100) = 1200 watt-hours of storage capacity.
Let’s say, for example, that you purchased a $ 85, 55-watt panel from this source:
http://www.wholesalesolar.com/
The time to charge your battery to its full-charge capacity (1200 watts) = 1200/55 = 22 hours.
Please remember that this is 22 hours of DIRECT sun, full intensity (10 am – 3 pm) on the panel.
Hope this helps.
2)
I see your previous question identified the devices you wish to power as "a tv, light, and xbox 360".
My friends who live in small cabins "off the electrical grid" — or in a treehouse — just use their 12V system to power portable devices. For example, a notebook computer with DVD drive can substitute for a tv. My friends use battery-powered camping lights for all lighting.
Portable devices are far less power-hungry than their 120v-AC-powered relatives. Portable devices either work directly from 12V, or they only need a small inverter to power a charger for their batteries.
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you need the wattage of the panel, and the amp-hours of the battery.
It is the wattage of the panel that matters, not its voltage.