27W USB-C PD Power Supply (5.1V / 5A) | For Raspberry Pi 5, Pi 4 & Smart Home

27W USB-C Power Delivery (PD) Power Supply: 5.1V / 5A for Raspberry Pi 5, Pi 4 & Smart Home

Are you running your Home Assistant on a Raspberry Pi 5 or Raspberry Pi 4 and using a combination of power-hungry USB devices such as external NVMe/SATA SSDs, Zigbee sticks, and RFXCOM transceivers? Then a standard 5V charger quickly falls short. This high-quality 27W USB-C Power Delivery power supply provides the exact required 5.1V / 5A to keep your smart home server running rock-solid and at full power.

Fully optimized for Raspberry Pi 5 and Pi 4

Thanks to its intelligent Power Delivery protocol, this power supply seamlessly adapts to the connected device:

• Raspberry Pi 5 (Full 1.6A USB capacity): The Pi 5 recognizes the 5.1V/5A PD profile and automatically increases the current limit on the four USB ports from 600mA to 1.6A. This allows you to effortlessly power a fast USB-SSD and multiple dongles simultaneously.
• Raspberry Pi 4 (Backwards compatible): If you connect the power supply to a Pi 4, the adapter safely delivers a stable 5.1V voltage up to 3A (15W). This provides maximum headroom and prevents the infamous 'Under-voltage detected' messages.
• No voltage drops during SSD boot: Prevent crash and corruption problems when starting up or heavily loading your Home Assistant database.
• Stable power for Smart Home Dongles: Provides clean power for connected devices such as the RFXCOM RFX-433EMC, RFX-868 Transceiver or Zigbee/Matter coordinators.

Multi-frequency PD & Universally applicable

In addition to the specific 5.1V / 5A profile, this power supply also supports standard Power Delivery levels: 9V/3A, 12V/2.25A and 15V/1.8A. This makes the adapter multifunctional outside the Raspberry Pi ecosystem, for example for fast charging of PD-compatible tablets, phones or powering smart hardware from Apollo Automation, Sensy and LinknLink.

Technical specifications

Package contents

• Quantity: 1x 27W USB-C Power Delivery Power Supply (5.1V / 5A)

Frequently asked questions (FAQ)

Does this 27W PD power supply also work well on a Raspberry Pi 4?

Yes, absolutely! USB Power Delivery is 'smart'. The power supply communicates with the connected device and automatically switches back to the required 5.1V voltage with a current output of up to 3A for a Raspberry Pi 4. This makes it 100% safe and extremely suitable for the Pi 4.

Why is this power supply recommended for the Raspberry Pi 5?

When using USB peripherals (such as an SSD, RFXCOM or Zigbee dongle), the Pi 5 requires a specific 5.1V/5A PD signal. Without this signal, the Pi 5 limits the USB ports to 600mA as a precaution. With this 27W power supply, you unlock the full 1.6A on the USB ports.

Can I also use this power supply for Apollo Automation or Sensy equipment?

Yes, if a USB-C device requires a standard 5V power supply, the adapter safely and noiselessly delivers 5V voltage without risk of overvoltage.

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