Product reference : #BLD-84149 Adapter laptop alienware m15 r4 Series : Subseries : m15 Batteriedeportable is a trusted French website with 18 years of experience in batteries and chargers.
For all chargers the difference of 2 volts compared to your last charger in the output voltage is negligible. The compatibility with your old Adapter laptop alienware m15 r4 is therefore ensured.
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