BTExpert Battery for Asus K42Jv K42Jy K42Jz K42N K52 K52D K52De K52Dr K52F K52F-Sx051V K52F-Sx060D K52F-Sx065X K52F-Sx074V K52Fk52F-A1 K52J K52Jb 5200mah 6 Cell Color: Black - Dimension/mm: 270.8*50.28*21.68 mm - Type: Lithium Ion. - Capacity: 5200mah - N.W./g:350g - Unit Cell: 6 This Replacement battery is guaranteed to meet or exceed original specifications. Quality: Durable and Utilizes high quality grade "A" cells for higher performance and more reliability. Fast charging. Low power consumption. Built-in protection circuit ensures both safety and stability. Buy with confidence!: The most cost effective and long lasting product available on the market today. Peace of Mind - 30 day worry free/no question ask return policy. Fast Shipping Peace of Mind!: Freshly produced and environmentally friendly and certified merchandise. We don't keep these on shelf because of our high-volume sales. We are able to sell good quality products at low prices because we buy direct from Manufacturers & Distributors in bulk quantity. BTexpert is a registered trademark protected by the US Trademark Law and is marketed exclusively by BTEXPERT. Any attempt to copy, relist or resell of BTexpert products without permission is prohibited; we reserve the right to take action against violators.