Replacement battery for DELL Latitude E5440 E5540 laptops replacing OEM Part numbers: 451-BBID 970V9// 10.8V 8400mAh

Battery Technology, Inc. (BTI) is a global supplier of replacement batteries and AC power adapters for notebook computers. Using the highest quality grade A cells from Japan and Korea in the battery manufacturing, and with production facilities operating to the most stringent quality standards in California, Hong Kong and China, BTI offers the highest quality products, broadest portfolio and most competitive pricing to their Worldwide customer base. Combined with a centralised European warehouse in Ireland, and working with Origin Storage as our Master distribution partner across Europe, BTI maintains an unparalleled level of product availability and support for our European customers.Our Research and Development team consists of experienced engineers and technicians who release an average of 75 new notebook computer battery models each year. BTI has made a significant investment in custom circuit design and has circuit board level SMT production capabilities. Extensive knowledge and training in rechargeable lithium ion and lithium polymer battery development, combined with the use of UL certified components, has enabled BTI to develop the safest and most reliable line of power products available in the market today.All of our notebook battery products come with a market-leading 18 month warranty as standard, while AC adapters carry a 24 month warranty. In the unlikely event of a quality issue, we pride oursleves on our rapid response time and flexibility in ensuring customer satisfaction. All products are CE certified, RoHS compliant and carry the appropriate CE and WEEE logos.