Used Genuine HP Compaq 2510p NC2400 Battery 412780-001  hstnn-fb22  10.8V ===55Wh    TESTED -- HOLDS CHARGE and works good == Comes with Money Back Guarantee of not satisfied.     ORIGINAL BATTERY NOT AFTERMARKET  REPLACEMENT     If for some reason you are not satisfied with received item, e-mail us through eBay message system. Don't leave negative feedback, money back guaranteed! We value your time and business.   Actual item is pictured!  Please look carefully for the item you will receive.