--- product_id: 550105779 title: "Geekworm 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" brand: "geekworm" price: "£26.57" currency: GBP in_stock: true reviews_count: 5 category: "Geekworm" url: https://www.desertcart.co.uk/products/550105779-geekworm-20w-5v-4a-usb-c-power-adapter-type-c store_origin: GB region: United Kingdom --- # 5V 4A high current output USB-C universal compatibility Multi-layer safety protections Geekworm 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 **Brand:** geekworm **Price:** £26.57 **Availability:** ✅ In Stock ## Summary > ⚡ Power your projects with confidence and speed — never settle for less! ## Quick Answers - **What is this?** Geekworm 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 by geekworm - **How much does it cost?** £26.57 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/550105779-geekworm-20w-5v-4a-usb-c-power-adapter-type-c) ## 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 - • **Compact Yet Powerful:** Lightweight 131g design with a 1.2m cable length balances portability and convenience for your workspace. - • **Safety First, Always:** Equipped with over-voltage, under-voltage, over-current, over-temperature, and short circuit protections for worry-free operation. - • **Certified Reliability:** UL Listed certification guarantees trusted quality and compliance with global safety standards. - • **Power Up with Precision:** Delivers a stable 5V 4A (20W) output tailored for Raspberry Pi 4 and beyond. - • **Universal USB-C Compatibility:** Seamlessly supports a wide range of devices including Orange Pi, NASPi, and Retroflag cases. ## Overview The Geekworm 20W 5V 4A USB-C power supply is engineered specifically for Raspberry Pi 4 Model B variants and compatible single-board computers. Featuring universal USB-C connectivity, robust multi-layer safety protections, and UL certification, it ensures reliable, efficient power delivery. Its compact design and broad device compatibility make it the essential power solution for professional makers and tech enthusiasts aiming to keep their setups running flawlessly. ## Description Buy Geekworm 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 online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. Review: Cumple bien su función lo uso con un mister pi, el único unico inconvenientes es que el cable esta algo corto, y el cuadrito esta muy grande Review: It works. Quality is pretty good too. Take good care of it and I am sure it’ll last for many decades 😁 ## Features - Compatibility: USB-C Type C power adapter designed and tested for the Raspberry Pi 4 Model B 1GB/2GB/4GB/8GB Version; Also support NASPi/X-C1/X825/X735/X728/X708/X703/X306 expansion board/Retroflag PiStation Case/Orange Pi 5/5B/4B/3B/Pi 800/4 LTS/3 LTS/Zero 2/Zero 3 - 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 | |---------------|-------| | ASIN | B09J856PND | | Additional Features | Short Circuit Protection | | Amperage | 4 Amps | | Brand | Geekworm | | Built-In Media | 1x 5V 4A US Plug Type-C Power Supply | | Color | berry | | Compatible Devices | Orange Pi 5/5B/3B/5 Plus, Phone with USB Type-C power in port, Raspberry Pi 4 Model B, RockPi, Thinker Board | | Compatible Phone Models | Raspberry Pi 4 8GB/4GB/2GB/1GB | | Connectivity Technology | USB | | Connector Type | usb | | Current Rating | 4 Amps | | Customer Package Type | FFP | | Customer Reviews | 4.7 4.7 out of 5 stars (184) | | Enclosure Material | Plastic | | Frequency Range | 50-60 Hz | | Input Voltage | 5 Volts | | Item Weight | 131 Grams | | Main Power Connector Type | 2 pin | | Manufacturer | Geekworm | | Model Number | TB-2021-35 | | Mounting Type | Wall Mount | | Number of Items | 1 | | Number of Power Levels | 1 | | Output Current | 4 Amps | | Output Voltage | 5 Volts | | Portable | No | | Power Plug | Type A - 2 pin (North American) | | Power Source | Corded Electric | | Specification Met | UL | | Total USB 3.0 Ports | 1 | | Total Usb Ports | 1 | | Unit Count | 1.0 Count | | Wattage | 20 watts | ## Product Details - **Amperage:** 4 Amps - **Brand:** Geekworm - **Colour:** berry - **Compatible phone models:** Raspberry Pi 4 8GB/4GB/2GB/1GB - **Connector type:** usb - **Included components:** 1x 5V 4A US Plug Type-C Power Supply - **Input voltage:** 5 Volts - **Special features:** Short Circuit Protection - **Total USB ports:** 1 ## Images ![Geekworm 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 - Image 1](https://m.media-amazon.com/images/I/71vovZlNPUL.jpg) ## Questions & Answers **Q: How to Test the PSU Output correctly?** A: Please refer to our test video: youtu.be/leqeFTJcSHk; the test method by Noah Ferro is not right test method, it need to add load to test the power supply output ability. **Q: Does this power supply support fast charging?** A: No. This is a standard Type-C 5V 4A power adapter and does not support fast charging protocols. ## Customer Reviews ### ⭐⭐⭐ Review *by A***R on 13 December 2025* Cumple bien su función lo uso con un mister pi, el único unico inconvenientes es que el cable esta algo corto, y el cuadrito esta muy grande ### ⭐⭐⭐⭐⭐ Review *by G***R on 13 October 2025* It works. Quality is pretty good too. Take good care of it and I am sure it’ll last for many decades 😁 ### ⭐⭐⭐⭐⭐ Review *by C***R on 22 July 2022* It looks and works exactly as described. It is somewhat more voluminous than the original Raspberry Pi source because it is more powerful. Quality looks very good. No more “low voltage” messages. 😃 ## 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) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/550105779-geekworm-20w-5v-4a-usb-c-power-adapter-type-c](https://www.desertcart.co.uk/products/550105779-geekworm-20w-5v-4a-usb-c-power-adapter-type-c) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-07-01*