Mighty Max Battery 100 Watts 100W Solar Panel 12V - 18V Poly Off Grid Battery Charger for RV Brand Product
Why we love it?
MLS-100WP is a 12v 18v 100 watt polycrystaline solar panel Dimensions: 40 inches x 27 inches x 1.40 inches. Pre drilled diodes in junction box and a pair of 35 inch cables with MC4 connectors already attached to the panel
Some comments about this we saw on the web:* /u/LunaWires on /r/BurningMan My solar set-up was this:
This 100W solar panel was mighty for my 12Volt 15AH SLA batteries, and is used for RVs typically. It did the job well even in overcast skies. $100 - https://www.amazon.com/gp/product/B01HHDC6NQ/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1
You’ll need a controller so you don’t overcharge your battery or fry any electronics you’d like to attach. I used one like this(the one I bought is no longer posted): https://www.amazon.com/Esky-Solar-Adapter-Charge-Controller/dp/B013HK2OOE/ref=sr_1_3_a_it?
The controller attached to the SLA battery. You can then either charge the SLA, remove it from the system as needed, and use it for other things (as I did), or leave the battery to hold power for your various electronics you may be trying to power at your camp. I had a battery for my electronics, but would swap it out for my ebike batteries when I needed to charge them.
I had an inverter connected to the controller so I could plug things (mainly a small fan) into it.
Inverter. I cut the cigarette charger off and connected the wires to the controller: https://www.amazon.com/gp/product/B004MDXS0U/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1
Here’s a diagram that will help visualize how these set-ups are typically: https://s-media-cache-ak0.pinimg.com/originals/63/6b/f5/636bf543aa56b79c556a2c8a1b216461.jpg
Charging batteries in series is doable, but not advisable because they don’t tend to charge evenly. IE: The first battery gets more charge and the middle one doesn’t get totally full. If you charge them separately you can make sure each is charged fully. This PDF describes the whole concept in more detail: http://www.thunderstruck-ev.com/images/Charging%20in%20Series.pdf
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