Solar Trailer: Part 9 – Fabricating Side Two, Solar panels 3-6

Solar Trailer: Part 9 - Fabricating Side Two, Solar panels 3-6

Author: BenjaminNelson via YouTube
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Solar Trailer: Part 9 - Fabricating Side Two, Solar panels 3-6

In today’s video, we build the uprights to support the second set of solar panels. Next, we lay out those three panels and do all the work of mounting them together.
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Just like the first side of the trailer, the solar panels are supported by a pair of 1.5"x3" c-channel pieces of steel, about three feet long. Welded on top of that is a plate that holds a bearing, which will hold the end of the panels and allow them to rotate. The uprights are a little over 10 feet apart from each other.

The solar panels on this side are mounted to a 10 foot long piece of 2-inch diameter black gas pipe. To actually hold the panels to the pipe, I use three foot long pieces of 3" wide flat steel and 2.25" automotive exhaust clamps.

This project is a bit of an experiment in building a portable, off-grid solar system using mostly what I already have. The Charge Controller is one that I’ve already had for years. The battery is made from 7 Nissan Leaf Cell modules. See the video on building the battery at:…
The inverter is a repurposed Uninterruptable Power Supply (UPS) which ran on 48V and would have originally been used in a computer server room. I’m just using the inverter portion of this unit, but it could also be used as a battery charger if I connected it to wall AC power. I used this same unit to power my house during a blackout from my motorcycle. Learn more about that at:…

Tools and Materials used in this project:
Xantrex C40 Solar Charge Controller:
(I later upgraded the charge controller to an Outback Flexmax80. Find out why in a future video: )
14S Lithium Battery (Leaf Cell Modules)
2200 Watt UPS (Recycled, Repurposed)
DC Circuit Breakers:
Circuit Breaker DIN Box:
Solar Cable:
Replacement tool box gas lifts:
DC Current/Power/Energy Multimeter Display:
Stainless Steel Cable Clips:
Anderson Disconnects:
Plug-In Electric Usage Monitor:
3/4" Pillow Block Bearings:
Weather-proof cord grip Cable Glands:
DIN Rail Terminal Block Kit:
Stainless Steel Zip Ties:
Outdoor Rated Metal 2-gang electric box:
Two-Gang Weather-proof outlet cover:
Ryobi 18V Drill:
Step Drill Bits:
2.25" Exhaust clamps with u-bolts:

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Music by:
"Shaving Mirror" Kevin MacLeod (
Licensed under Creative Commons: By Attribution 3.0 License…

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Solar Trailer: Part 9 – Fabricating Side Two, Solar panels 3-6
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