USB Connectors / Wattages

Question 1

What is the wattage for USB 1.0/1.1 with Type-A?

Answer 1

2.5W (5V, 500mA)

This is the same wattage for USB 2.0 with Type-A.

Question 2

What is the wattage for USB 3.0/3.1/3.2 with Type-A?

Answer 2

4.5W (5V, 900mA)

This is an increase in wattage compared to USB 1.0/1.1 and USB 2.0.

Question 3

What is the wattage for USB BC 1.2 with Type-A?

Answer 3

7.5W (5V, 1.5A)

This allows for faster charging compared to earlier USB standards.

Question 4

What is the wattage for USB 1.0/1.1/2.0 with Type-B?

Answer 4

2.5W (5V, 500mA)

This matches the wattage for USB Type-A in the same versions.

Question 5

What is the wattage for USB 3.0/3.1/3.2 with Type-B?

Answer 5

4.5W (5V, 900mA)

This is consistent with the Type-A versions of the same standard.

Question 6

What is the wattage for USB 1.0/1.1/2.0 with Mini-B?

Answer 6

2.5W (5V, 500mA)

This wattage is the same as other USB types in these versions.

Question 7

What is the wattage for USB 2.0 with Micro-B?

Answer 7

2.5W (5V, 500mA)

Similar to USB Type-A and Type-B in the same version.

Question 8

What is the wattage for USB 3.0 with Micro-B?

Answer 8

4.5W (5V, 900mA)

This matches the wattage for USB 3.0 in other types.

Question 9

What is the standard wattage for USB Type-C?

Answer 9

15W (5V, 3A)

USB Type-C supports higher power delivery compared to older USB types.

Question 10

What is the maximum wattage with USB-PD 2.0 for Type-C?

Answer 10

Up to 100W (20V, 5A)

This allows for charging larger devices such as laptops.

Question 11

What is the maximum wattage with USB-PD 3.1 for Type-C?

Answer 11

Up to 240W (48V, 5A)

This is the highest power delivery capability among USB standards.

Question 12

What is the standard wattage for Lightning (Apple)?

Answer 12

12W (5V, 2.4A)

This is used for charging Apple devices.

Question 13

What is the maximum wattage for Lightning with fast charging?

Answer 13

Up to 20W (9V, 2.22A)

This allows for quicker charging of compatible iPhone models.