Mochini o tjheseletsang ka laser oa galvanometer o etselitsoe indasteri ea ho tjheseletsa ka nepo 'me o sebelisoa haholo ho tjheseletsa le ho lokisa li-electrode tsa betri ea lithium e le mohlala o tlatsetsang bakeng sa mechini e meholo ea ho tjheseletsa libeteri tsa lithium.