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crwdns2944351:0crwdnd2944351:0Alienware 17 R4 Battery Replacementcrwdnd2944351:0crwdne2944351:0

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Introduction
This guide will teach you how to remove the battery in order to replace it.
***Note:*** This procedure may differ from other Alienware 17” laptop models. Check to make sure your laptop is the correct model before continuing.
***Note:*** Alienware 17 R4 notebooks have a power supply protection circuit integrated within its system board (aka motherboard) which is designed to accommodate OEM replacement battery ***68Wh DP/N 44T2R (15.2V)*** and ***99Wh DP/N 9NJM1 (11.4V)***.
https://www.dell.com/support/manuals/en-uk/alienware-17-laptop/alienware-17-r4-setupandspecifications/battery?guid=guid-16dc96fe-0048-4bb2-9222-7019064b7fc6&lang=en-us