?Precise Business Compatibility? Replacement for Dell Latitude E5450 E5550 Notebook 15.6 inch, Perfect Match Part No.: G5M10 0WYJC2 8V5GX R9XM WYJC2 1KY05 451-BBLN. ?Long Conference Life? 51Wh high-density lithium-ion battery, supports 8 hours video conference (based on Zoom test), fast charging technology 1 hour to 80%. ?Military Grade Safety? Passed MIL-STD-810G shock test + Dell Smart Battery certification, built-in triple protection for over-charge/over-discharge/short circuit. ?Intelligent Power Management? Compatible with Dell Power Manager software, you can set the charging threshold to extend the battery life to 800 cycles. ?Your Satisfaction is Our Goal? 12-month warranty, we promise 100% purchase satisfaction to every customer. If you have any questions about your purchase, please do not hesitate to contact us. We will provide you with a professional and detailed response within 24 hours. ? Professional-Grade Dell Battery Replacement Manufactured with grade A+ cells to exceed HP's original performance standards, ideal for business travelers. ? Compatibility Guarantee: Dell Latitude E5250 Series Notebook Dell Latitude E5450 E5550 Notebook 15.6 inch Dell Latitude E5450 Series: Latitude 14 E5450-6693 / Latitude 14 E5450-5922 / Latitude 14 E5450-9646 Latitude 14 E5450-9660 / Latitude 14 E5450-9677 / Latitude 14 E5450-9853 Latitude 14 E5450-9877 / Latitude 14 E5450-9846 / Latitude 14 E5450-5040 Latitude 14 E5450-5878 Dell Latitude E5550 Series : Latitude 15 E5550-5057 / Latitude 15 E5550-5762 / Latitude 15 E5550-5809 Latitude 15 E5550-5830 / Latitude 15 E5550-6747 / Latitude 15 E5550-5908 Latitude 15 E5550-6792 / Latitude 15 E5550-9976 / Latitude 15 E5550-9277 Latitude 15 E5550-9417 • Original Part Numbers: G5M10 8V5GX R9XM9 WYJC2 1KY05 TXF9M WYJC2 0WYJC2 7V69Y 79VRK ? Technical Specifications: • Capacity: 51Wh / 7.4V 7800mAh(4-cell configuration) • Battery Type: Lithium-ion Polymer (only 12mm ultra-thin) • Special Feature: HP BIOS battery health check supported ? Business User Tips: Enable Dell Battery Health Manager to extend life up to 40%. Fully charged and discharged once a month for accurate power metering ? Professional Packaging: 1 G5M10 Replacement Battery 1 User Manual