德国阳光蓄电池极板选用无锑合金，德国阳光蓄电池自放电极低；

Germany sun battery plate with no antimony alloy, Germany sun battery self-discharge is extremely low;

youdao

德国阳光蓄电池极板选用无锑合金，德国阳光蓄电池自放电极低；

Germany sun battery plate with no antimony alloy, Germany sun battery self-discharge is extremely low;

youdao