Premium e5500 Battery: Our premium e5500 battery is a high-capacity 58Wh battery, designed specifically for your Dell Latitude E5510. It ensures an extended runtime and superior performance. This battery replaces various part numbers including the KM742, KM668, KM752, KM760, KM970, MT186, MT187, MT196, MT332, RM649, RM656, RM661, RM668, PW640, PW649, PW651, WU841, WU843, WU852, MT187, MT193, T749D, U116D, W071D, X064D, P858D, 312-0762, 312-0769, 451-10616, KM769, 0RM668, and KM771. UL Certified GHU Battery for Dell Laptop Battery KM742: Our e5400 battery has passed rigorous UL testing, assuring safety and reliability. It's a perfect replacement battery for a Dell Latitude e5510 and e5400 series laptops. This Li-ion battery for Dell E5500, E5410, E5510 and the Latitude E5400 series is CE, FCC, and RoHS certified, featuring superior battery cells for quick charging and extended capacity, ensuring over 500 charge and discharge cycles for enduring performance. 500+ Recharge Cycle