Hnub ci vaj huam sib luag yog cov khoom siv uas hloov lub hnub ci mus rau hauv hluav taws xob los ntawm kev siv cov cell photovoltaic (PV). PV hlwb yog tsim los ntawm cov ntaub ntawv uas tsim cov electrons zoo siab thaum raug lub teeb. Cov electrons ntws los ntawm ib lub voj voog thiab tsim hluav taws xob ncaj qha (DC) hluav taws xob, uas tuaj yeem siv los siv hluav taws xob ntau yam khoom siv lossis khaws cia hauv cov roj teeb. Hnub ci vaj huam sib luag tseem hu ua solar cell panels, solar electric panels, lossis PV modules. Koj tuaj yeem xaiv lub zog ntawm 5W txog 550W.
Cov khoom no yog lub hnub ci module. Nws raug pom zoo kom siv nrog cov tswj thiab cov roj teeb. Hnub ci vaj huam sib luag muaj ntau yam kev siv thiab siv tau rau ntau qhov chaw, xws li tsev neeg, mus pw hav zoov, RVs, yachts, txoj kev teeb thiab chaw nres tsheb hnub ci.