Both ends are 3-prong for maximum grounding. Compatibility: Will fit all 3 prong laptop AC adapters. intended for Dell Inspiron i15RV I17 I1764 I17R I17R-2ND I17RN i17RM I17RS i17RV I17RSE M5010 M5030 M5110 IM501R IM5030 IN4030 IN5030 N7010 N7110.
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