---
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: "HK$103"
currency: HKD
in_stock: false
reviews_count: 2
url: https://www.desertcart.hk/products/71724477-upbright-48v-ac-dc-adapter-compatible-with-cisco-7800-series
store_origin: HK
region: Hong Kong
---

# 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:** HK$103
**Availability:** ❌ Out of 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?** HK$103 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/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)
![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 2](https://m.media-amazon.com/images/I/61EqX2Qh4cL.jpg)
![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 3](https://m.media-amazon.com/images/I/61uwDlt+72L.jpg)
![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 4](https://m.media-amazon.com/images/I/71S2u3FB6xL.jpg)
![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 5](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*

-

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**Shop now:** [https://www.desertcart.hk/products/71724477-upbright-48v-ac-dc-adapter-compatible-with-cisco-7800-series](https://www.desertcart.hk/products/71724477-upbright-48v-ac-dc-adapter-compatible-with-cisco-7800-series)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-04*