If you consider "removable" as the need to unscrew 10 screws to open the bottom panel , remove a sticker then unscrew a couple of tri-wing screws ; yes it is , otherwise , it's not user replaceable
If you consider "removable" as the need to unscrew 10 screws to open the bottom panel , remove a sticker then unscrew a couple of tri-wing screws ; yes it is , otherwise , it's not user replaceable