--- product_id: 71724477 title: "UpBright 48V AC/DC Adapter Compatible with Cisco 7800 Series CP-7811 K9 CP-7821 CP-7841 CP-7861 CP-7821-3PCC-K9 CP-7841-3PCC-K9 CP-8831 CP-8831-3PCC-K9 IP UC Phone 44-57VDC 48VDC Power Supply Charger" brand: "upbright" price: "150.15 DT" currency: TND in_stock: true reviews_count: 2 url: https://www.desertcart.tn/products/71724477-upbright-48v-ac-dc-adapter-compatible-with-cisco-7800-series store_origin: TN region: Tunisia --- # 48V DC stable output 100-240V global input OVP, OCP, SCP multi-protection UpBright 48V AC/DC Adapter Compatible with Cisco 7800 Series CP-7811 K9 CP-7821 CP-7841 CP-7861 CP-7821-3PCC-K9 CP-7841-3PCC-K9 CP-8831 CP-8831-3PCC-K9 IP UC Phone 44-57VDC 48VDC Power Supply Charger **Brand:** upbright **Price:** 150.15 DT **Availability:** ✅ In Stock ## Summary > ⚡ Power your Cisco calls with precision and protection — never miss a beat! ## Quick Answers - **What is this?** UpBright 48V AC/DC Adapter Compatible with Cisco 7800 Series CP-7811 K9 CP-7821 CP-7841 CP-7861 CP-7821-3PCC-K9 CP-7841-3PCC-K9 CP-8831 CP-8831-3PCC-K9 IP UC Phone 44-57VDC 48VDC Power Supply Charger by upbright - **How much does it cost?** 150.15 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/71724477-upbright-48v-ac-dc-adapter-compatible-with-cisco-7800-series) ## Best For - upbright enthusiasts ## Why This Product - Trusted upbright brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Power Delivery:** Consistent 48V DC output at 0.38A ensures your Cisco 7800 Series phones perform flawlessly every call. - • **Trusted Quality & Warranty:** Tested units with 30-day refund and 24-month exchange guarantee — reliability that matches your professional standards. - • **Tailored for Cisco 7800 Series:** Specifically engineered for CP-7811, CP-7821, CP-7841, CP-7861, CP-8831 models — no compatibility guesswork. - • **Robust Multi-Layer Safety Protections:** Built-in Over Voltage, Over Current, and Short Circuit protections keep your devices safe and your mind at ease. - • **Universal Global Voltage Compatibility:** Works seamlessly worldwide with 100-240VAC input, perfect for the jet-setting professional. ## Overview The UpBright 48V AC/DC Adapter is a globally compatible, high-precision power supply designed exclusively for Cisco 7800 Series IP phones. Featuring universal 100-240VAC input and advanced safety protections (OVP, OCP, SCP), it delivers a stable 48V DC output at 0.38A. Tested for quality and backed by a 30-day refund and 24-month exchange policy, this adapter ensures reliable, uninterrupted communication for the modern professional. ## Description UpBright New Global 48V AC / DC Adapter Compatible with Cisco 7800 Series CP-7811 K9 CP-7821 CP-7841 CP-7861 CP-7841-3PCC-K9 CP-8831 CP-8831-3PCC-K9 IP Phone UC Phone 44-57VDC 44V - 57V 48VDC 380mA DC48V 0.38A 48.0V 48 V 0.38 A 48.0 VDC Switching Power Supply Cord Cable PS Battery Charger Mains PSU CECCCROHS 100-240 ## Features - World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) - UpBright New Global 48V AC / DC Adapter Compatible with Cisco 7800 Series CP-7811 K9 CP-7821 CP-7841 CP-7861 CP-7841-3PCC-K9 CP-8831 CP-8831-3PCC-K9 IP Phone UC Phone 44-57VDC 44V - 57V 48VDC 380mA DC48V 0.38A 48.0V 48 V 0.38 A 48.0 VDC Switching Power Supply Cord Cable PS Battery Charger Mains PSU - Compatible with: Cisco CP-7861 7861 IP Phone CP-7861-K9= CP7861 74-10234-02 74-101625-04 CP-7861-3PCC-K9 Cisco 7861 VoIP Corded Phone with Firmware CP-7861-W-K9 74-102605-01 VoIP IP UC Phone 44-57VDC PD Classification 1 Power Supply - Compatible with: Cisco CP-7811-3PCC-K9 CP-7821-3PCC-K9 CP-7841-3PCC-K9 7841 3PCC CP-7861-3PCC-K9 7800 Series VoIP 2-Line Conference Phone VoIP IP Phone 7811 7821 7841 7861 with Multiplatform Phone Firmware - Compatible with: Cisco CP-8831 IP Phone CP8831 CP-8831-3PCC-K9 8831 with Multiplatform Phone Firmware; Cisco CP-7811 CP-7811-K9 7800 Series CP7811 7811 IP UC Phone; Cisco CP-7821 CP-7821-K9= CP7821 7821 VoIP IP Phone - Tested Units. In Great Working Condition. UpBright 30 Days Refund. 24 Months Exchange ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | UpBright | | Brand | UPBRIGHT | | Item Weight | 0.634 ounces | | Product Dimensions | 6 x 3 x 2 inches | | Item model number | Cisco CP-7811-K9 7800 Series 48V Power | | Is Discontinued By Manufacturer | No | | Number of Items | 1 | | Manufacturer Part Number | Cisco CP-7811-K9 7800 Series 48V Power | ## Product Details - **Brand:** UPBRIGHT - **Connectivity Technology:** Powerline - **Connector Type:** Barrel Round Connector - **Compatible Devices:** Cisco - **Compatible Phone Models:** Cisco - **Included Components:** 1 x AC Adapter - **Special Feature:** Short Circuit Protection - **Input Voltage:** 120 Volts (AC) - **Mounting Type:** Wall Mount - **Amperage:** 3.8E+2 Milliamps ## Images ![UpBright 48V AC/DC Adapter Compatible with Cisco 7800 Series CP-7811 K9 CP-7821 CP-7841 CP-7861 CP-7821-3PCC-K9 CP-7841-3PCC-K9 CP-8831 CP-8831-3PCC-K9 IP UC Phone 44-57VDC 48VDC Power Supply Charger - Image 1](https://m.media-amazon.com/images/I/61JLtNq4urL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works with 7965G! *by E***R on October 6, 2024* . ### ⭐⭐⭐⭐⭐ - *by I***R on January 31, 2021* - --- ## 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.tn/products/71724477-upbright-48v-ac-dc-adapter-compatible-with-cisco-7800-series](https://www.desertcart.tn/products/71724477-upbright-48v-ac-dc-adapter-compatible-with-cisco-7800-series) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-02*