O le tisainiina o le faʻalogo-fesoasoani faiga e aofia ai ni matata se tolu o le faʻasaienisi faʻaaogaina-electrochemistry, eletise inisinia ma leo inisinia. Lenei pepa e faatatau i le fesoʻotaʻiga i le va o le muamua lua. O maʻa e matua leʻo laina laina. E sili ona faʻatinoina le faʻatinoga o mea e fai pe a faʻapea o manaʻoga tau eletise o mea faʻalogo e faʻafetaui lelei ma le voltage, fua faatatau gafatia ma faʻafetaui le maa. I le maeʻa ai o tausaga o faʻaaoga lelei, o le faʻaonapo nei '675' button cell ua mauaina le taliaina lautele ma ua faʻaaogaina nei i le tele o tua atu o le taliga 'mea faʻalogo. A manaʻomia le tele o le paoa, o le lapoʻa ma le laʻititi faʻapitoa LR6 'penlight' sela e masani ona faʻamaotiina. Ole maualuga ole voltage e ono taitai atu ai ile lelei ole taamilosaga, ma e iai foʻi le omiga e faʻalauiloa mai ai le 3 V lithium-based product. O le Lithium e tatau ona faʻaaluina ai le maualuga o le malosi, ae o loʻo i ai lava faʻafitauli e totoe e foia. Ile iʻuga, e ono mafai e le maketi ona faʻamautu mo se siʻosiʻomaga taliaina umi-ola maualalo voltage eletise-ea sela. Afai o lea, atonu e iai se lumanaʻi o le metala zinc-air ma mafai ai ona manumalo uma i le mercury '675' ma sela 'penlight' alkaline.

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