[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

定位续航与容量存在矛盾:内置大电池模块(保证7天续航)会挤占约0.5-1L书包空间并增加150-300g自重,追求超薄轻量的书包续航普遍只有1-3天需频繁充电

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80%
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Long-term
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