У GrapeSolar считается, что солнце светит 1170 ватт/м2 (?)
Максимальный поток солнечного излучения на уровне моря (на Экваторе) — 1020 Вт/м2 = 74.6% от космоса.
Температурный коэффициент тока = 0.09 %/К
Температурный коэффициент мощности = -0.37 %/К

$300 60W
http://www.amazon.com/Sunforce-50044-60-Watt-Solar-Charging/dp/B000CIADLG/ref=sr_1_47?ie=UTF8&s=hi&qid=1268294733&sr=8-47

$160 50W
http://www.amazon.com/HQRP-Mono-crystalline-Anodized-Aluminum-Mousepad/dp/B002OSAB28/ref=sr_1_15?ie=UTF8&s=hi&qid=1268295116&sr=1-15

$85 20W
http://www.amazon.com/HQRP-Mono-crystalline-Anodized-Aluminum-Mousepad/dp/B002HT09TO/ref=sr_1_7?ie=UTF8&s=hi&qid=1268295116&sr=1-7

$250 85W
http://www.amazon.com/HQRP-Mono-crystalline-Anodized-Aluminum-Mousepad/dp/B002OSAB2I/ref=sr_1_58?ie=UTF8&s=hi&qid=1268295715&sr=1-58

$75 20W 639x294x23 mm
http://www.amazon.com/HQRP-Solar-Monocrystalline-Module-Mousepad/dp/B002HSYACM/ref=sr_1_66?ie=UTF8&s=hi&qid=1268295715&sr=1-66

$5.65 4.2*.022
http://www.amazon.com/Powerfilm-Flexible-Solar-panel-SP4-2-37/dp/B002MFJK3E/ref=sr_1_64?ie=UTF8&s=hi&qid=1268295715&sr=1-64

$536 160W
http://www.amazon.com/Sharp-ND130UJF-130-Watt-Module-poly-crystalline/dp/B002MW8HMM/ref=sr_1_105?ie=UTF8&s=hi&qid=1268296140&sr=1-105

$270 80W
http://www.amazon.com/80-Watt-Volt-Solar-Panel/dp/B001TJZUX8/ref=sr_1_129?ie=UTF8&s=hi&qid=1268296272&sr=1-129

$550 180W
http://www.amazon.com/HQRP-Solar-Monocrystalline-Module-Mousepad/dp/B0032U37SW/ref=sr_1_168?ie=UTF8&s=hi&qid=1268296409&sr=1-168

$490 163W
http://www.amazon.com/gp/offer-listing/B002MWFFWM/ref=dp_olp_new?ie=UTF8&qid=1268297107&sr=1-367&condition=new