If you're looking for a laptop charger with the specifications 19.5V, 3.34A, 65W, this is a common power supply for many Dell laptops. Here's a breakdown of the key details:

• Voltage (V): 19.5V (This is the standard voltage for many Dell laptops)
• Current (A): 3.34A (Amps)
• Power (W): 65W (Wattage, calculated by multiplying the voltage and current: 19.5V × 3.34A = 65W)

You can typically find a compatible charger by looking for a 65W charger or a 65W universal charger that supports these specific voltage and current ratings. 

To make sure you're getting the right charger:

• Check the connector type: Dell laptops use a specific round barrel connector (commonly a 4.5mm or 7.4mm connector).
• Look for compatibility with your laptop model: Different Dell laptops may require slightly different adapters, so it's always good to double-check.

If you’re buying online or in a store, search for:

• 19.5V 3.34A 65W charger
• 65W Dell laptop power adapter