Battery Capacity (mAh/Ah): 3530mAh. Samsung Galaxy Book Flex Alpha NP730QCJ (NP730QCJ-K01US NP730QCJ-K02US NP730QCJ-K04US);. Galaxy Book Flex2 Alpha NP730QDA (NP730QDA-KA1US NP730QDA-KA3US NP730QDA-KB1US NP730QDA-KB3US);.
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