THANKS FOR LOOKING. THE ITEM FOR AUCTION IS A NEW IN ORIGINAL BOX LENOVO THINKPAD X13S GEN 1 MODEL 21BY-S03Y00. THE SPECIFICATIONS ARE LISTED ABOVE. THE UNIT IS IN GREAT WORKING CONDITION. THE BATTERY DOES HOLD A CHARGE. THERE IS AN AC ADAPTER INCLUDED. JUST LOOKING FOR A NEW HOME. HAPPY BIDDING.