Original Dell adapter part number 928G4 (also part of the PA-12 family) is a 65W, 19.5V, 3.34A AC power adapter with a 7.4mm x 5.0mm barrel connector tip.
Key Specifications
• Power Output: 65 Watts
• Output Voltage: 19.5 Volts
• Output Current: 3.34 Amps
• Input Voltage: 100–240V AC (50/60Hz) [1]
• Connector Type: 7.4mm outer diameter / 5.0mm inner diameter barrel plug (with center pin)
• Family Type: Dell PA-12
You may test first and bring your laptop to test.
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