Ol i bin yusim ol 'lithium-ion' bateri pastaim long ol 'cardiac pacemaker'. Liklik tru 'self-discharge rate na 'gradual discharge voltage' bilong ol i larim ol 'implanted pacemaker' i wok longpela taim na i no gat 'recharge'. Ol 'lithium-ion' bateri i save gat liklik 'voltage' moa long 3.0 'volts', na dispela i mekim ol i gutpela long givim pawa long ol 'integrated circuits'. Tasol ol i save yusim ol bateri bilong 'manganese dioxide' long ol kalkuleta, dijitel kamera, na ol wats.
Long kamapim ol bateri we i wok gut moa yet, ol risetsa i bin stadim kain kain samting, na ol i kamapim ol samting we i no bin kamap bipo.
Long 1992, Sony i bin kamapim gut 'lithium-ion' bateri. Praktikel aplikesen bilong en i daunim tru hevi na sais bilong ol 'portable electronic devices' olsem mobail fon, laptop, na kalkuleta.
