USB-C 3.0
USB Power Delivery 3.0 is an extension of the USB Power Delivery standard released in November 2015. It offers a number of improvements over USB Power Delivery 2.0, including:
- Increased performance: USB Power Delivery 3.0 can transfer up to 100W of power, while USB Power Delivery 2.0 only supports up to 100W.
- Improved efficiency: USB Power Delivery 3.0 is more efficient than USB Power Delivery 2.0, resulting in longer battery life.
- Improved security: USB Power Delivery 3.0 offers enhanced safety features that reduce the risk of overloads and power outages.
USB-C 3.0
USB Power Delivery 3.1 is a further extension of the USB Power Delivery standard, released in November 2021. It offers a number of additional improvements over USB Power Delivery 3.0, including:
- Increased performance: USB Power Delivery 3.1 can transfer up to 240W of power, making it the most powerful USB charging technology.
- Support for bidirectional charging: USB Power Delivery 3.1 supports bidirectional charging, meaning devices can transfer power from one another.
- Improved compatibility: USB Power Delivery 3.1 is compatible with a wide range of USB devices, including laptops, tablets, smartphones, monitors and other devices.
Comparison of USB Power Delivery 3.0 and 3.1
The following table lists the main differences between USB Power Delivery 3.0 and 3.1:
| feature | USB-C 3.0 | USB-C 3.0 |
|---|---|---|
| Maximum Performance | 100W | 240W |
| Efficiency | Improved | Improved |
| Security | Improved | Improved |
| Bidirectional charging | No | Yes |
| compatibility | Restricted | Advanced |
Future of USB Power Delivery
USB Power Delivery is expected to become the standard charging method for USB devices. This is because it offers a number of advantages over previous USB charging standards, including higher power, improved efficiency and safety.