LeFix Replacement RCT Battery w/ 2Pin 2Wire Connector for DELL Latitude D500 D510 D520 D530 D610 D620 D630 D810 d820 D830 E6420 E6430 E6530 E6520 E6540 E5530 E6230 E5430 E5440 E5540 E5250 E7240