New Genuine Lenovo ThinkPad X1 Carbon 10th Generation Replacement Battery Battery Spec - BATTERY,15.44V,57Wh,4cell - Internal Lenovo FRU / Part Number 5B11M90058 , 5B11M90057,5B10W13975 , 5B10W13973 This Battery will fit Lenovo ThinkPad Carbon X1 Gen 10 , Machine Types :21CB and 20CC Please check compatibility before purchase!
eBay