[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

容量与体积存在硬矛盾:能挂钥匙扣的电池(<50g)通常容量<1500mAh,只能保命;想要能充满一次手机(3000mAh以上)则重量必然超100g,无法真正随身

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