BTExpert Battery for Toshiba Nb305-N440Bl Nb305-N440Bn Nb305-N440Rd Nb305-N440Wh Nb305-N442Bl Nb305-N442Bn Nb305-N442Rd Nb305-N442Wh Nb305-N444Bn 5200mah 6 Cell Color: Black - Type: Li-ion. - Dimension: 204.30 x 51.30 x 27.40 mm - Capacity: Power 5700mAh - - Weight: 291g - 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.