Construction and Programming
(Videos)
(Blog)
MPPT - See attached parts list ($40)
Materials
DIY
3"x6" 36 @ 18V, 3.4A (64.8W)
$19.71 - Aluminum 27"x33"
$43.36 - Glass 26.5"x32"
$69.99 - 40 Solar Cells
3"x6" 72 @ 36V, 3.4A (129.6W)
$26.60 - Aluminum 33"x52"
$100.61 - Glass 32.25"x51.5"
$109.99 - 80 Solar Cells
Common
$57.99 - Sylgard 184 Encapsulation Gel (covers two 36 panels or one 72 panel)
$57.99 - Sylgard 184 Encapsulation Gel (covers two 36 panels or one 72 panel)
$5.00 - Clear Silicon Caulk (good for a few panels)
$5.00 - Nuts/Bolts/Hardware
Summary
64.8 Watt Panel (before shipping)
$133.06 + $77.99 = $211.06
$3.2 per watt
129.6 Watt Panel (before shipping)
$247.20 + $77.99 = $325.19
$2.50 per watt
Kits
$106.99 - 2 x 65W Kits (total $313.70 @ $2.41 per watt)
$89.99 - 130W Kit (total $296.70 @ $2.28 per watt)
- "I run my fridge off an inverter a good part of the time. I have 340 watts of panels here in Florida. An 800 watt inverter will carry a fridge easily."
