【填空题】
59.什么叫铅蓄电池的放电最终电压？一般规定是多少？*简答题*___
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答案
放电时，由于内阻逐渐增大，故端电压逐渐下降。允许蓄电池端电压下降的最低数值，称为放电流放电时，放电最终电压。TG450和TG540型蓄电池以10小时率和6小时率电流放电时，放电最终电压均为1.75伏。
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