BTExpert Laptop Battery for Samsung NP900X3B-A01 NP900X3B-A01CA NP900X3B-A01US NP900X3B-A02 NP900X3B-A02US NP900X3B-A03 5200mah 4 Cell Color: Black|Dimensions/mm: 267.90 x 96.30 x 5.40 mm|Type: Lithium Polymer.|Capacity: 5200mah|N.W.g:227|Unit Cell: 4|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.