Photo 1 of 240W Laptop Charger Compatible with Dell Precision 7780 7770 7680 7670 Alienware 15 17 M15 M17 X15 X16 X17 Power Supply Cord 240W Watt Barrel 7.4mm tip AC Power Adapter

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Photo 1 of 240W Laptop Charger Compatible with Dell Precision 7780 7770 7680 7670 Alienware 15 17 M15 M17 X15 X16 X17 Power Supply Cord 240W Watt Barrel 7.4mm tip AC Power Adapter Photo 2 of 240W Laptop Charger Compatible with Dell Precision 7780 7770 7680 7670 Alienware 15 17 M15 M17 X15 X16 X17 Power Supply Cord 240W Watt Barrel 7.4mm tip AC Power Adapter