ʻO ka hoʻāʻo ʻana o UL i ka mana lithium-ion i kēia manawa he ʻehiku mau kūlana nui, ʻo ia hoʻi: shell, electrolyte, hoʻohana (overcurrent protection), leakage, mechanical test, charging and discharging test, and marking. Ma waena o kēia mau ʻāpana ʻelua, ka hoʻāʻo mechanical a me ka hoʻouka ʻana ...
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