This AC adapter works with most Dell Precision laptop and notebook computers.
You can cross reference your existing power supply by it's output voltage.

• 90 watts
• 4.62 amps
• 19.5 volts
• 7.4mm-5.0mm Barrel connector with Pin Inside
• 3 Prong grounded power cord
• Full 1 Year Warranty

This power adapter is the most common charger used with most Dell Precision laptops.
We recommend the 90 watt and larger Amp capacity of this adapter since a 90 watt power supply will recharge your battery faster than a 65 or 70 Watt adapter.

You can double check your existing power output rating by referring to the output rating on the bottom of your ac power adapter. The input rating refers to the power rating of incoming electricity from your wall outlet.

This AC adapter is compatible with the Dell Precision AC 90 watt adapter