ZTHY G5M10 Laptop Battery Replacement for DELL Latitude E5450 14" Latitude E5550 15.6" Notebook PC fits 8V5GX R9XM9 WYJC2 1KY05 7.4V 51WH Battery type Li-Polymer. Color:Black. Voltage: 7.4V. Capacity: 51WH. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Replace Part Number G5M10 8V5GX R9XM WYJC2 1KY05 .Note:This battery is not fit for 62wh 6MT4T. Compatible Models Dell Latitude E5450 E5550 Notebook 15.6" Series Laptop SecurityAll ZTHY products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety. ZTHY Laptop Battery Return PolicyRest assured with 30 days Refund and 12 months Replacement,also get our friendly customer service.