Te whakauru i te 20kwh Power Wall Battery, te otinga tino pai mo o hiahia hiko whakaora kaainga. Ki runga ki te 400 kWh o te pūngao pūrua, ko tenei pākahiko traction te mea tino pai mo te mana whakaora kaainga. Ko te mate hiko ka tino kino, ka waiho koe me to whanau kaore he...
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