E noʻonoʻo i ka "mea kūʻai aku, ʻoi aku ka maikaʻi ma mua", hana mākou i ka hana me kā mākou mea kūʻai aku a hāʻawi iā lākou i nā mea hoʻolako kūpono a mākaukau no ka Lithium Manganese Button Cell 3v 2450,Pihi pihi 3v Cr2450, ʻO Nimh Battery Pack 24v, 1.2v A 2100mah Ni-Mh Rechargeable Battery,Kahiko Ni-Cd.Ke ʻimi nei mākou i mua e hui pū me nā mea kūʻai aku a pau mai kou home ponoʻī a ma waho.Eia kekahi, ʻo ka leʻaleʻa o ka mea kūʻai aku kā mākou ʻimi mau loa.E hoʻolako ka huahana i nā wahi āpau o ka honua, e like me ʻEulopa, ʻAmelika, Australia, Kazakhstan, Sudan, Moscow, Austria. Ua hana ʻia kēia mau huahana āpau i kā mākou hale hana ma Kina.No laila hiki iā mākou ke hōʻoiaʻiʻo i kā mākou maikaʻi me ke koʻikoʻi a loaʻa.I loko o kēia mau makahiki ʻehā, kūʻai aku mākou i kā mākou huahana wale nō akā i kā mākou lawelawe i nā mea kūʻai aku a puni ka honua.