Overview
The HP HSTNN-LA25 is a 120W AC power adapter commonly associated with selected HP business laptops, mobile workstations, and docking solutions. It delivers a regulated 19.5V DC output at up to 6.15A and utilizes HP's 7.4mm × 5.0mm Smart Pin connector for power delivery and system communication.
Many users search for the HSTNN-LA25 when replacing a damaged charger, verifying compatibility, or identifying the correct power adapter for an HP device. Understanding its specifications and associated part numbers can help ensure a proper replacement.
HP HSTNN-LA25 Specifications
| Specification | Details |
|---|---|
| Model Number | HSTNN-LA25 |
| Input Voltage | 100-240V AC, 50-60Hz |
| Output Voltage | 19.5V DC |
| Output Current | 6.15A |
| Maximum Output Power | 120W |
| Connector Type | HP Smart Pin Barrel Connector |
| Connector Size | 7.4mm × 5.0mm with Center Pin |
| Adapter Category | 120W Laptop Power Adapter |
Associated HP Models and Part Numbers
The HSTNN-LA25 is commonly associated with the following HP adapter models and spare part numbers:
Adapter Models
- HSTNN-LA25
- PA-1121-62HA
- PA-1121-62HI
HP Spare Part Numbers
- 710415-001
- 906329-001
- 677762-001
- 677762-002
- 693709-001
- 644699-001
- 644699-003
- 645156-001
- 463556-001
- 463555-002
- 463556-002
- 463557-001
These part numbers are commonly associated with HP 120W Smart Pin power adapters. Compatibility may vary depending on the device model, hardware configuration, and manufacturing revision.
What Devices Use the HP HSTNN-LA25?
The HSTNN-LA25 is commonly used with selected HP business notebooks, mobile workstations, and docking solutions that require a 19.5V 6.15A 120W Smart Pin power adapter.
Because HP may use different power adapters across similar product families and generations, users should always verify:
- Output Voltage: 19.5V DC
- Output Current: 6.15A
- Power Rating: 120W
- Connector Size: 7.4mm × 5.0mm Smart Pin
Matching these specifications is essential for proper compatibility and reliable charging performance.
Can the HSTNN-LA25 Replace Other HP 120W Adapters?
The HSTNN-LA25 may replace certain HP 120W Smart Pin power adapters when the following specifications are identical:
- Output voltage matches exactly
- Connector type and size are identical
- Power rating meets device requirements
- Smart Pin functionality is supported
Always verify the specifications printed on the original adapter before using a replacement power supply.
Common Signs of a Failing HSTNN-LA25 Adapter
A replacement adapter may be needed if you experience any of the following symptoms:
- Laptop fails to charge consistently
- Intermittent charging connection
- Unexpected shutdowns during heavy workloads
- Battery charging errors
- Power indicator flashing or blinking
- Excessive adapter heat
- Damaged cable, connector, or housing
Replacing a worn or damaged power adapter can often restore stable charging and system operation.
How to Verify Compatibility
Before purchasing a replacement adapter, check the label on your original power supply and confirm:
- Model number matches HSTNN-LA25, PA-1121-62HA, or a related part number
- Output voltage is 19.5V DC
- Output current is 6.15A
- Power output is 120W
- Connector is 7.4mm × 5.0mm Smart Pin
Matching all specifications helps ensure safe and reliable operation.
Frequently Asked Questions
Is HSTNN-LA25 a 120W power adapter?
Yes. The HP HSTNN-LA25 provides 19.5V DC output at up to 6.15A, delivering a maximum power output of 120W.
What connector does the HSTNN-LA25 use?
The adapter uses HP's 7.4mm × 5.0mm Smart Pin barrel connector with a center communication pin.
Is HSTNN-LA25 the same as 710415-001?
710415-001 is one of the HP spare part numbers commonly associated with HSTNN-LA25 power adapters. Always verify specifications and connector type before purchasing.
Can HSTNN-LA25 replace PA-1121-62HA?
In many cases, yes. HSTNN-LA25 and PA-1121-62HA are commonly associated with HP 120W Smart Pin adapters. Compatibility should still be confirmed using the original adapter specifications.
What laptops use the HSTNN-LA25?
The HSTNN-LA25 is used with selected HP business notebooks, mobile workstations, and docking solutions that require a 120W Smart Pin power adapter. Compatibility varies by model and generation.
Can I use a higher wattage HP adapter?
Generally, a higher wattage HP adapter may be used if the voltage and connector specifications match. The device will draw only the power it requires.
Replacement Requirements for HSTNN-LA25
When selecting a replacement for the HSTNN-LA25, ensure the adapter provides:
- 19.5V DC output voltage
- 6.15A output current
- 120W power rating
- 7.4mm × 5.0mm Smart Pin connector
- Compatible HP Smart Pin communication support
Matching these specifications helps maintain proper charging performance and device safety.
Conclusion
The HP HSTNN-LA25 is a 120W Smart Pin AC power adapter designed for compatible HP business laptops, mobile workstations, and docking solutions. With a 19.5V 6.15A output and a 7.4mm × 5.0mm Smart Pin connector, it remains a widely used HP power solution. Understanding its specifications, associated part numbers, and compatibility requirements can help users identify the correct replacement adapter and maintain reliable system performance.
0 comments