USB-C Charging
Can the Dell Precision 7770 Charge via USB-C?
The short answer
Yes — the Precision 7770 charges via USB-C Power Delivery as well as through a 240 W barrel adapter.
Last verified 9/28/2026 · Sources: Dell Technologies, Dell
Specifications
- OEM adapter wattage
- 240 W
- OEM adapter connector
- barrel
Which chargers work
The manufacturer states no minimum USB-C charger wattage for this model. A charger rated below the 240 W it lists may charge more slowly, or may not keep up when the laptop is under heavy load. The manufacturer's manual is the authority on what a lower-wattage charger does.
Worth knowing before you buy
- A charger with high advertised wattage but no USB Power Delivery support may not charge this laptop at all — wattage alone doesn't determine compatibility.
Planning a desk setup?
Sources
- Dell Technologies — Precision 7770 Spec Sheet — verified 8/19/2026
- Dell — Precision 7770 Setup and Specifications — external ports — verified 9/28/2026
- Dell — Precision 7770 Setup and Specifications — display support — verified 9/28/2026
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