Resistance: should choose the Germany sunshine battery internal resistance small, can continuous large current discharge.
内阻：应选择内阻小的德国阳光蓄电池，这样才能持续大电流放电。
Resistance: should choose the Germany sunshine battery internal resistance small, can continuous large current discharge.
内阻：应选择内阻小的德国阳光蓄电池，这样才能持续大电流放电。
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