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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

If the user removed the sticker to replace the battery, will the warranty be voided?
 
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