Kugawanitsa kuwala kwapamsewu kwadzuwa ndikosavuta komanso njira yosinthira kuti ikwaniritse zofunikira zamitundu yonse, popanda malire a solar panel ndi mphamvu ya batri, kuwala kwa LED kumagwira ntchito nthawi yayitali kuposa magetsi amtundu wina.