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What happens if you use the Verizon USB Type-C Wall Charger with Fast Charge Technology sold by Verizon to charge the Nintendo Switch Console?

Assuming the Switch Console already has both left and right Joy Con controllers attached, we direct connect the Verizon charger to the Console at zero charge. We can see the Verizon charger starts offering 15 watts (5 volts @ 3 amps), 21 watts (7 volts @ 3 amps), 24 watts (8 volts @ 3 amps), 24 watts (9 volts @ 2.7 amps), and 24 watts (12 volts @ 2 amps) power profiles using USB Power Delivery.

At the beginning the Nintendo Switch Console only requests 6 watts (12 volts @ 0.5 amps) from the Verizon charger.

After the Verizon charger supplied the 6 watts only does the Switch Console request the full 24 watts (12 volts @ 2 amps) and gets accepted by the charger.

Starting from 0% battery with Joy Con controllers attached, the Nintendo Switch Console starts off pulling about 15.6 watts (12 volts @ 1.3 amps) and rapidly changing current resulting in a 12 to 16 watts power range. When the Console is turned on and a game cartridge is played, the power pulled goes up to the 15 to 21 watts band as the Console consumes more power used to support the Joy Con controllers and active gameplay. The Verizon USB Type-C Wall Charger with Fast Charge Technology performs similarly to the Nintendo Switch AC Adapter as seen in this review.