BTExpert Battery for Sony Vaio VPCF135FG/B VPCF136FD VPCF136FD/B VPCF136FG VPCF136FG/BI VPCF136FM VPCF136FM/B VPCF136FX VPCF136FX/B VPCF136FX/H 5200mah Color: Black - Dimension/mm: 204.20 x 47.10 x 20.60 mm - Type: Lithium Ion. - Capacity: 5200mah - N.W./g:302.5g 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.