Management Number: M251206P2CGY HP AC ADAPTER Model: HSTNN-DA12S Input: 100-240V 3.5A 50-60Hz Output: 19.5V~11.8A 230w Plug Size: Outer diameter approx. 7.4mm, inner diameter approx. 5.0mm, with center pin Product Condition: Used, with stains on top. Operation Check: Completed Quantity: 1 (Generic Product) Power cable included. Compatible Models: Some HP EliteBook 8740w 8760w 8770w Series For detailed information about the product, please check with the manufacturer. ・As this is a used item, there are signs of use. There may be scratches, stains, dust, and sticker residue. ・We are not responsible for any loss or damage during shipping. We do not accept returns after the product has been received due to the customer's convenience. We will refuse to accept returns if the product is returned unilaterally, such as by cash on delivery. ・We will handle returns and refunds for defective products within 7 days, but we may not be able to accept returns due to the condition of the product, which is unavoidable for used items. We appreciate your understanding before purchasing.