Yuav ua li cas siv lub tshuab pa rechargeable
Nws puas tuaj yeem siv tau thaum them nyiaj? — Nws tsis tuaj yeem siv thaum them nyiaj, vim tias qhov hluav taws xob them nyiaj siab tshaj qhov hluav taws xob ntawm lub roj teeb, uas yuav ua rau lub teeb puas.
Nws puas yuav tsum tau them thaum lub roj teeb siv tag?
—— Nws nyob ntawm seb hom roj teeb uas siv tau rau hauv lub teeb. Lub roj teeb yuav tsum tau them raws li qhov xav tau, thiab nws tsis tuaj yeem raug them qis lossis them ntau dhau. Nickel-cadmium thiab nickel-hlau hydride roj teeb yuav tsum tau siv thiab rov them dua, txwv tsis pub yuav muaj kev nco. Tsis muaj cov kev cai tshwj xeeb rau cov roj teeb lithium, tab sis nws yog qhov zoo tshaj kom rov qab them lawv tom qab siv, txwv tsis pub nws yuav cuam tshuam rau lub neej.