鉛酸蓄電池充電電流大，電池端電壓升高快，充電電流與電池端電壓通常有如下關(guān)系式。

V=E+IR

式中  V——電池端電壓，V；

      E­——電池電動(dòng)勢(shì)，V；

      R——充電電流，A；

      R——電池內(nèi)阻，Ω

充電電流大，IR 項(xiàng)增大，所以電池端電壓增大。

The lead sour storage battery refreshes electric current big, the battery carries electric voltage to heat up quickly and refresh electric current and battery to carry electric voltage usually like bottom relation type.

V=E+IR

The V-battery in type carries electric voltage, V;

E-battery electromotive force, V;

R-refresh electric current, A;

Zu inside the R-battery, Ω

Refreshing electric current is big, the IR item enlarges, so the battery carries electric voltage aggrandizement.

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