摘要：獨立光伏系統蓄電池是僅次于光伏組件的重要部件，本文主要從蓄電池種類選擇、容量選擇、串并聯確定三方面進行了方法和計算研究，并舉例加以說明。 敘詞：獨立光伏系統 蓄電池 容量 計算 選擇 Abstract：Besides photovoltaic assembly, battery is another important component for separate photovoltaic system. This article researches on the selection of battery, capacity choice and choosing between series and parallel connections. The author provides methods and calculation about the three aspects, and also explains with examples.　 Keyword：Separate photovoltaic system, Battery, Capacity, Calculation, Selection