Product Introduction
When an HP business laptop or Thin Client device shows charging failure, intermittent power loss, or sudden shutdown under workload, the issue is often related to a failing or incompatible power adapter. The HP TPC-LA561 (PA-1850-07HB) 85W adapter delivers stable 19.5V regulated output, ensuring reliable performance for enterprise and workstation-class systems.
Application Scenarios
- HP EliteBook and ProBook business laptop series
- HP Compaq desktop and legacy workstation systems
- HP Thin Client devices used in enterprise environments
- Office workstations requiring stable 85W power input
- Replacement for damaged or aging HP OEM 85W adapters
Technical Specifications
| Brand | HP |
| Model | TPC-LA561 |
| Part Number | PA-1850-07HB |
| Output Voltage | 19.5V DC |
| Output Current | 4.36A |
| Power Rating | 85W |
| Connector Type | 7.4mm x 5.0mm Barrel with Center Pin |
| Polarity | Center Positive |
| Input | 100–240V AC 50/60Hz |
| Condition | Replacement Power Adapter |
OEM Replacement Compatibility
- HP EliteBook series (select 7xxx / 8xxx business models)
- HP ProBook enterprise laptop series
- HP Compaq desktop / workstation systems
- HP Thin Client devices (T-series / enterprise terminals)
- Compatible with TPC-LA561 / PA-1850-07HB power systems
