10 |
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6.2 W Uni-Solar L-Strip amorphous silicon solar cells
62 W (ideal) for $49 shipped. Vmmp - 1.6 V, Immp - 3.9 A. eff.: 6-7%; 10"x14"
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1 |
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2' x 7' x .001" FEP front sheet
$40 shipped from McMaster-Carr
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1 |
× |
about 2 square meters of .5mm thick STR Photocap EVA (ethylene vinyl acetate) encapsulant
usually, each cell gets sandwiched in two layers of this; half as much was needed because the cell backing is stainless steel. Tedlar (PVF) backsheet was also not needed for the same reason.
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1 |
× |
about 2 square meters of TPE backsheet
Tedlar - Polyethylene - EVA
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20 |
× |
bendy wires (fine multi-stranded copper, insulated)
to solder the cells together and solder them to the power controller (these I can get free)
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1 |
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DC-DC power controllers - see details - 2x 5V 1.0A USB, 12V for battery, 18 V for laptop
$17
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1 |
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tarp for backing and hard case
the sealed cells get sewn onto the tarp and folded into the case
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1 |
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12 V 5 Ah sealed lead acid battery
store power or just smooth out the power output
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