Description

The HP HSTNN-LA01-E is a 135W AC power adapter designed for compatible HP laptops, workstations, and supported computing systems. It supplies power during normal operation and battery charging.

With a 135W power output, 19.5V DC voltage, and 6.9A current rating, this adapter supports devices requiring these specifications. Its 7.4mm × 5.0mm barrel connector with a center smart pin provides a suitable connection for compatible HP equipment.

The adapter can serve as a replacement for a lost, damaged, or faulty power supply. Before purchasing, check your device model and original adapter specifications to confirm compatibility.

Technical Specifications

• Brand: HP
• Model: HSTNN-LA01-E
• HP Part Number: 647982-001
• Power Output: 135W
• Output Voltage: 19.5V DC
• Output Current: 6.9A
• Input Voltage: 100–240V AC
• Input Frequency: 50–60Hz
• Connector Size: 7.4mm × 5.0mm
• Connector Type: Barrel connector with center smart pin
• Product Type: AC Power Adapter
• Condition: As Listed

Compatibility & Installation

This adapter is designed for selected HP and Compaq laptops and compatible computing systems that require a 135W power supply with a 7.4mm × 5.0mm smart pin connector.

Check your device’s original power requirements before use. Ensure the voltage, wattage, and connector match the manufacturer’s specifications.

Performance

The 135W power rating provides power for compatible systems during operation and charging. Actual charging performance depends on the device model, battery condition, and power requirements.

Recommended Use

• Replacing a faulty HP power adapter
• Powering compatible HP and Compaq laptops
• Supported HP workstations and computing systems
• Spare power adapter for home or office
• Replacing compatible 135W smart pin adapters