Ko ngā pīhanga pūhiko whānui hōhi tāwhai anō he wāhanga matua tonu i ngā rākau hiko maha. I hanga ngā pīhanga tāwhai anō nei hei whakamātua i te hiko, ā, hei tuku i te hiko i te wā roa. Nō reira, he pai rawa ngā pīhanga tāwhai anō nei mō ngā rākau hiko ā-whenua, pērā i ngā rākau hiko rā, i ngā rākau hiko hau. Me ngā hāngā whakamātautau pai ka taea e koe te whakamahi i ngā rākau āhua me ngā wāhanga tonu, ahakoa kāore he rā, ahakoa kāore he hau e pūpū. Ko Mingtu te kaiwhakamahi i ēnei pākau hei āwhina i ngā tāngata ki te whakamahi i ngā hua o te hauāwhina pai, me te whakaputanga i a ia i tēnei wā.
I tē whakamāhi i tē pūhiko hōhonu āwhina i te kaha, ka whiwhi tō kāinga i te hiko tāwhai tonu. Kua hanga ngā pūhiko o Mingtu hei whakamātautau, kia tāwhai tonu, kia wātea ai tāu whakaaro mō ngā hāngā hiko. I tē wā anō, e tautoko ana ngā pūhiko nei i ngā rākau rerehua rerehua mai i ngā taputapu iti ki ngā taputapu rahi ake. Ko tē whānui o ngā whakamāhi he mea nui mō ngā tāngata e hiahia ana kia whakamāhi i ngā hiko āhua. Ahakoa kei waho kē koe i te rārangi hiko, ahakoa hiahia kē koe kia whakamāhi i tē hiko āhua, ko tē whakamāhi i tē pūhiko hōhonu āwhina i te kaha he whakamātautau pai. te pūhiko e whakamāmā ai he whakamātautau pai. E āki ana i te whakamāhi i te hiko, ā, e whakamārama ana i tē ao mā, mō ngā tāngata katoa.
Inā rapu koe i tē pūhiko hōhonu āwhina i te kaha pai rawa, he maha ngā mea e tātari ai. Tuatahi, whakaaro mai he aha te maha o ngā hiko e hiahia ana koe kia whakamāhi. Ko tē maha o ngā taputapu e whakamāhi ana, ā, te roa o te whakamāhi, ngā take e whāia ana. Mēnā he maha ngā taputapu, he pūhiko nui ake te hiahia. He maha ngā rahi o ngā pūhiko o Mingtu, nō reira ka taea e koe te rapu i tē pūhiko tika hei whakamāhi mō ō hiahia. Tuarua, whakaaro mai i te pūhanga wāhi o waho o te kaha mātua āhua. He maha ngā āhua, pērā i ngā pūhiko lithium-ion, i ngā pūhiko lead-acid.
Ko ngā pīhanga pūhiko whānui hōhi tāwhai anō he rerekē tonu i ngā pīhanga tāwhai anō tātai. Ko ngā pīhanga tāwhai anō tātai, pērā i ngā kōpae o ngā rākau wāhi, i hanga hei whakamātau māmā i te hiko. Ka tuku hiko tāwhai anō i te wā poto, ka mutu. Ka whakamāhinga, ka whakamātua anō, i te wā anō ka whakakīa. Engari ko ngā pīhanga pūhiko whānui hōhi tāwhai anō ka tuku hiko tāwhai anō i te wā roa.
Inā hiahia koe ki te hoko i ngā pīhanga pūhiko whānui hōhi tāwhai anō i te tauhokohoko, he maha ngā āhua e tātai ana. Tuatahi, tirohia te pānga o te pīhanga, arā, te hiko e whakamātua ai, i te waehanga o ngā āma-hāora (Ah). Ko te Ah teitei he maha ake ngā hiko e whakamātua ai. Mēnā he whakamāhi nui, pērā i te waka noho, i te rākau hiko rā, tīpakohia te pīhanga teitei. Arā anō, tirohia te momo pīhanga. Ko Mingtu te kaiwhakamāhi i ngā pīhanga pūhiko ā-tāwhai me ngā pīhanga pūhiko litihamu.