Making Solar Panel Fan
Will this solar power plan work? Is there any better way to do? is this the right way to use battery?
This is for my Solar Powered Exhaust Project… its going to be my first one.
I have a used aux fan from mercedes. the motor is rated for 12V 8A. I purchased 20w solar panel of 17v 1.2A. Actually I want turn the fan as long as possibly i can…. but since the wattage of the motor is too large for the panel, it needs a kick start amperage that the panel just not capable to supply.
To overcome this problem, i bought a 7Ah battery, charge control, and a DC timer. So, i will i set the timer off to let panel charge the battery every day from 8am till 2pm, At 2 pm the battery will give a kick start to the motor to move the fan. from that time the fan will be driven by both the battery and the panel directly. the fan will move fast at the beginning until the battery is empty and slower until the dusk.
Does this make sense??
Any other way??
Is this a bad way of using battery??
The battery you bought – is it sealed lead acid? It’s not going to last long if you let the fan drain it flat every day. NiMH you can use in such a manner, though. As long as you have the proper charger.
How to make, DIY Solar Panel pt. 3-4
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Sunforce 50012 1.8-Watt Solar Battery Maintainer $17.00 The Sunforce 50012 1.8 Watt Solar Battery Maintainer gives you another reason to love the sun — it’ll help keep your car’s battery charged. Just plug this helpful 1.8-watt solar charger into your vehicle’s 12-volt lighter socket and position the panel to pick up the most daylight possible. Or, if you prefer, use the included alligator clips to connect it directly to the battery, so you can keep y… |