Fancy Buying New Laptop Battery for HP EliteBook 8530p 8530w 8540p 8540w 8730w 8740w - High Performance [8 Cells/5200mAh/75wh] 8 cell, Li-ion battery, rated at 5200mAh/75Wh and 14.4v Our batteries are 100% brand new, CE-/FCC-/RoHS-Certified for safety We only uses high quality materials and grade A battery cells to ensure true capacity and more recharge cycles. Fast, friendly and hassle free customer service with a full 1 year warranty - if anything goes wrong, we're here for you. Note:As this replacement battery can fit many models and part numbers,the factory can not mark all the compatible part numbers on it,please understand.If you have any problems,pls contact us by the message, we will help you to deal with it timely.