Aberanteɛ bi te hɔ a wahyehyɛ solar panel asi bench so. Wahyehyɛ nneɛma afoforɔ bi te sɛ battery ne ɛho akadeɛ wɔ so. Ɔkita laptop si ne srɛ so. Obi nso ahyehyɛ nneɛma bi a ɔretɔn wɔ ne nkyɛn mu.