Dell Laptop Battery For Dell E5420 E5430 E5530 E6420 E6430 E6520 E6530 5425 7520 M421r M521r
+Our batteries are 100% WITH CE-/FCC-/RoHS-Certified for safety
+We only uses high quality materials and grade A battery cells to ensure true capacity and more recharge cycles.
+Expected operation time: 2-4 hours. This may vary, depending on device type and the way it is used.