Unverified83% confidenceDecision RuleTime unknown
发电功率与骑行速度正相关:花鼓发电机需保持约12-15km/h以上才能稳定输出5V/1A给设备充电,低于此速度电压跌落无法有效充电,走走停停的市区通勤充电效率低
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