1. Menene bankin wutar lantarki na waje wani nau'i ne na samar da wutar lantarki mai aiki da yawa a waje tare da ginannen baturin lithium-ion da ajiyar wutar lantarki, wanda kuma aka sani da wutar lantarki na AC da DC.Bankin wutar lantarki na wayar hannu yana daidai da ƙaramin ƙaramar ɗaukar hoto ...
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