Cisco 48V Power Adapter 3 for 7800 and 9800 Series IP Phones
-
20,000+★★★★★5 Star Reviews
Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
Cisco 48V Power Adapter 3 for 7800 and 9800 Series IP Phones - Refurbished
Keep your business communications running smoothly with this refurbished Cisco 48V Power Adapter, designed to deliver reliable power to your 7800 and 9800 Series IP Phones. A dependable, cost-effective solution for replacing lost, damaged, or aging power supplies in your office phone system.
Key Features & Benefits
- Compatible with Cisco 7800 and 9800 Series IP Phones
- Delivers consistent 48V output for stable phone performance
- .42A output amperage to match your phone's power requirements
- Refurbished to help extend the life of your existing phone equipment
- A budget-friendly alternative to purchasing new replacement adapters
This power adapter is an ideal solution for IT departments, office managers, and small business owners looking to maintain a dependable phone system without the cost of buying new hardware. Whether you're replacing a faulty adapter, equipping a new workstation, or stocking up on spares for your IT inventory, this adapter provides a straightforward way to keep your Cisco IP phones powered and ready for daily use. Its compact design makes it easy to integrate into any office setup, whether you're managing a single desk or outfitting an entire call center.
Technical Specifications
- Output Voltage: 48V
- Output Amperage: .42A
- Compatibility: Cisco 7800 and 9800 Series IP Phones
Why buy from PC Liquidations
Every item in our inventory goes through a rigorous 25+ point certification process to ensure it meets our standards for performance and reliability before it reaches your door. We're proud to have earned the trust of our customers, reflected in over 20,000 5-star reviews from businesses and individuals who count on us for their technology needs.
Equip your office with dependable, refurbished accessories at a price that makes sense for your budget. Add this Cisco power adapter to your cart today and keep your phone systems running without interruption.

New Product
These products are brand new and have never been used. They arrive in the original manufacturer packaging in pristine, factory-fresh condition.
48V Power Adapter 3 Technical Specs
| Output Voltage | 48V |
|---|---|
| Output Amperage | 42A |
| Output Wattage | - |
| Barrel Size | - |
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
Need help finding the right product?
Our team is ready with expert support before and after your purchase.
*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance. Free/fixed shipping offers exclude palletized items — call for freight rates.




Cisco 48V Power Adapter 3 for 7800 and 9800 Series IP Phones - Refurbished
-
20,000+★★★★★5 Star Reviews
Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
Cisco 48V Power Adapter 3 for 7800 and 9800 Series IP Phones - Refurbished
Keep your business communications running smoothly with this refurbished Cisco 48V Power Adapter, designed to deliver reliable power to your 7800 and 9800 Series IP Phones. A dependable, cost-effective solution for replacing lost, damaged, or aging power supplies in your office phone system.
Key Features & Benefits
- Compatible with Cisco 7800 and 9800 Series IP Phones
- Delivers consistent 48V output for stable phone performance
- .42A output amperage to match your phone's power requirements
- Refurbished to help extend the life of your existing phone equipment
- A budget-friendly alternative to purchasing new replacement adapters
This power adapter is an ideal solution for IT departments, office managers, and small business owners looking to maintain a dependable phone system without the cost of buying new hardware. Whether you're replacing a faulty adapter, equipping a new workstation, or stocking up on spares for your IT inventory, this adapter provides a straightforward way to keep your Cisco IP phones powered and ready for daily use. Its compact design makes it easy to integrate into any office setup, whether you're managing a single desk or outfitting an entire call center.
Technical Specifications
- Output Voltage: 48V
- Output Amperage: .42A
- Compatibility: Cisco 7800 and 9800 Series IP Phones
Why buy from PC Liquidations
Every item in our inventory goes through a rigorous 25+ point certification process to ensure it meets our standards for performance and reliability before it reaches your door. We're proud to have earned the trust of our customers, reflected in over 20,000 5-star reviews from businesses and individuals who count on us for their technology needs.
Equip your office with dependable, refurbished accessories at a price that makes sense for your budget. Add this Cisco power adapter to your cart today and keep your phone systems running without interruption.

Refurbished
| Functionality | |
|---|---|
| Cosmetics |
All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.
48V Power Adapter 3 Technical Specs
| Output Voltage | 48V |
|---|---|
| Output Amperage | .42A |
| Output Wattage | - |
| Barrel Size | - |
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
Need help finding the right product?
Our team is ready with expert support before and after your purchase.
*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance. Free/fixed shipping offers exclude palletized items — call for freight rates.






































































