---
product_id: 593485432
title: "Geekworm Raspberry Pi 4 Power Supply, 20W 5V 4A USB C Power Adapter Type C Charger UL Listed Support Raspberry Pi 4 Model B/NASPi/DACPi/X-C1/X825/X735/X728/X708/X706/X703/X930"
brand: "geekworm"
price: "659 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/593485432-geekworm-raspberry-pi-4-power-supply-20w-5v-4a-usb
store_origin: DK
region: Denmark
---

# 4A Fast Charging 20W Power Output UL Listed Safety Geekworm Raspberry Pi 4 Power Supply, 20W 5V 4A USB C Power Adapter Type C Charger UL Listed Support Raspberry Pi 4 Model B/NASPi/DACPi/X-C1/X825/X735/X728/X708/X706/X703/X930

**Brand:** geekworm
**Price:** 659 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Your Passion with Geekworm!

## Quick Answers

- **What is this?** Geekworm Raspberry Pi 4 Power Supply, 20W 5V 4A USB C Power Adapter Type C Charger UL Listed Support Raspberry Pi 4 Model B/NASPi/DACPi/X-C1/X825/X735/X728/X708/X706/X703/X930 by geekworm
- **How much does it cost?** 659 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/593485432-geekworm-raspberry-pi-4-power-supply-20w-5v-4a-usb)

## Best For

- geekworm enthusiasts

## Why This Product

- Trusted geekworm brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **📏 Perfect Length:** 1.2m cable provides flexibility and convenience for your setup.
- • **🛡️ Safety First:** Equipped with multiple protection features: over voltage, under voltage, over temperature, and short circuit protection.
- • **💡 Energy Efficient:** Operates on a wide input range of 100-240V AC, making it perfect for global use.
- • **🔋 Power Up Your Projects:** Designed specifically for Raspberry Pi 4 and compatible devices, ensuring optimal performance.
- • **🌍 Universal Compatibility:** Supports a wide range of devices including NASPi, DACPi, and Orange Pi models.

## Overview

The Geekworm Raspberry Pi 4 Power Supply is a robust 20W USB Type-C power adapter designed for the Raspberry Pi 4 Model B and various compatible devices. With a 4A output and UL Listed certification, it ensures safe and efficient power delivery, making it an essential accessory for tech enthusiasts and professionals alike.

## Description

Geekworm Raspberry Pi 4 Power Supply, 20W 5V 4A USB C Power Adapter Type C Charger UL Listed Support Raspberry Pi 4 Model B/NASPi/DACPi/X-C1/X825/X735/X728/X708/X706/X703/X930

## Features

- Geekworm Raspberry Pi 4 Model B Power Supply, Orange Pi 5/5B Power Adapter, USB C Type C power adapter designed and tested for the Raspberry Pi 4 Model B 1GB/2GB/4GB/8GB Version. Also support NASPi/DACPi/X-C1/X825/X735/X728/X708/X703 expansion board/Retroflag PiStation Case/Orange Pi 5/5B/Orange Pi 5 Plus.
- Power Input: 100-240V AC, 50-60Hz, 0.8A Max. Output: 5V 4A 20W. Cable length: 1.2 m / 47.24 inches;
- Raspberry Pi 4B Power Adapter with UL Listed Certification - UL Listed.
- Power Supply Functions: Over voltage protection; Under voltage protection; Over temperature protection; Over current protection; Short circuit protection.
- Packing List: 1x 5V 4A US Plug Type-C Power Supply

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Geekworm |
| Manufacturer | Geekworm |
| Model | TB-2021-35 |
| Model Name | Power Adapter |
| Product Dimensions | 7.3 x 4.1 x 6.5 cm; 131 g |
| Item model number | TB-2021-35 |
| Compatible Devices | Phone with USB Type-C power in port, Raspberry Pi 4 Model B, RockPi, Thinker Board |
| Special Features | Short Circuit Protection |
| Mounting Hardware | 1x 5V 4A US Plug Type-C Power Supply |
| Number of items | 1 |
| Audio Wattage | 20 Watts |
| Voltage | 5 Volts |
| Wattage | 20 Watts |
| Power Source | Corded Electric |
| Batteries Included | No |
| Batteries Required | No |
| Total USB ports | 1 |
| Connector Type | USB |
| Mounting Type | Wall Mount |
| Manufacturer | Geekworm |
| Item Weight | 131 g |

## Product Details

- **Brand:** Geekworm
- **Connectivity Technology:** USB
- **Connector Type:** usb
- **Compatible Devices:** Phone with USB Type-C power in port, Raspberry Pi 4 Model B, RockPi, Thinker Board
- **Included Components:** 1x 5V 4A US Plug Type-C Power Supply
- **Special Feature:** Short Circuit Protection
- **Input Voltage:** 240 Volts
- **Mounting Type:** Wall Mount
- **Amperage:** 4 Amps
- **Total USB Ports:** 1

## Images

![Geekworm Raspberry Pi 4 Power Supply, 20W 5V 4A USB C Power Adapter Type C Charger UL Listed Support Raspberry Pi 4 Model B/NASPi/DACPi/X-C1/X825/X735/X728/X708/X706/X703/X930 - Image 1](https://m.media-amazon.com/images/I/71vovZlNPUL.jpg)

## Questions & Answers

**Q: Can the power supply be delivered with Eu plug?**
A: Hi,
There is EU plug for the power supply, please order from EU amazon, https://www.amazon.de/Geekworm-100-240V-Surveillance-Amplifier-Raspberry/dp/B0BD81W6SN
best regards.
Geekworm Team

**Q: Will this work with a 7500 mAh lithium battery?**
A: If your battery has a USB-C type connector for charging, and your battery has the built in charge controller (nearly 100% of these portable batteries do) you should be able to use this as a very capable charger for it.
I use mine for running Raspberry Pi computers

## Frequently Bought Together

- Geekworm Power Supply for Raspberry Pi 4, 20W 5V 4A USB C Power Adapter Type C Charger UL Listed Compatible with Raspberry Pi 4 Model B/Orange Pi 5/NASPi/DACPi/X-C1/X735/X728/X708/X703
- Geekworm KVM-A3 Kit for Raspberry Pi 4 Open Source KVM Over IP Compatible with KVM V3 Platform Only (Unassembled and Not Include Raspberry Pi 4/SD Card/Power Adapter)
- Raspberry Pi 4 Model B 2019 Quad Core 64 Bit WiFi Bluetooth (4GB)

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**Shop now:** [https://www.desertcart.dk/products/593485432-geekworm-raspberry-pi-4-power-supply-20w-5v-4a-usb](https://www.desertcart.dk/products/593485432-geekworm-raspberry-pi-4-power-supply-20w-5v-4a-usb)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-11*