ZHUODYER 120W Laptop Charger 4.5x3.0mm for HP Dock

ZHUODYER 120W Laptop Charger is a replacement power adapter engineered to restore full-power charging to compatible HP docking stations and laptops using a 4.5 × 3.0 mm barrel connector.

If your HP dock, Pavilion, Envy, or Omen laptop is failing to charge or the original power brick is lost, this ZHUODYER 120W supply offers a direct-fit, high-output option. It supports worldwide voltages, multiple safety cutoffs, and backward compatibility with lower-watt HP adapters so you can power docking stations and laptops without sacrificing performance.

Which HP models and docking stations will this adapter work with?

This charger is designed to be compatible with a broad list of HP docks and laptop families that accept a 4.5 × 3.0 mm plug and 19.5V input. It matches many factory part numbers and powers HP USB-C and USB-A universal dock variants as well as popular Envy, Pavilion and Omen series laptops.

• Compatible docks: HP USB-C/USB-A Universal Dock G2 and Dock G5 models.
• Compatible laptop series: Envy 15/17, Pavilion 15/17, Omen 15-5000/5100/5200 series.
• Recognized part numbers: 710415-001, 709984-001/002/003, HSTNN-LA25, PA-1121 series and others.

How much power does this adapter deliver and will it run my dock under heavy load?

The ZHUODYER brick supplies 120 watts (19.5V at 6.15A), which is sufficient to drive power-hungry docks and to charge laptops while peripherals are attached. It also accepts lower-rated configurations, so it can substitute for 90W and 65W supplies by accommodating those amperages without issue.

• Rated output: 19.5V, 6.15A, 120W total power.
• Backwards compatibility: supports devices that need 90W (19.5V, 4.62A) or 65W (19.5V, 3.33A).
• Worldwide input: 100–240V AC, 2.5A, 50–60Hz for international use.

What safety and protection features are built into this power supply?

Safety circuits inside the ZHUODYER adapter protect connected equipment from common electrical faults. These protections help prevent damage from short circuits, voltage spikes, excessive current, and overheating during extended use.

• Short-circuit protection to shut down on a fault.
• Over-voltage and over-current protection to prevent surge damage.
• Temperature monitoring to reduce risk of overheating.

How do I confirm fit and replace my original charger?

Check your laptop or dock's required connector size (4.5 × 3.0 mm) and required voltage/amperage listed on the original brick or device label. Match one of the compatible part numbers or series to be confident the ZHUODYER unit will replace your original power supply.

• Verify connector: 4.5 mm outer × 3.0 mm inner barrel.
• Confirm voltage/amperage: 19.5V and required amperage (6.15A for full 120W output).
• Compare part numbers: cross-check with HP P/N list to ensure compatibility.

Who is this for: The ZHUODYER 120W Laptop Charger suits HP users who need a reliable replacement or spare for lost, damaged, or underpowered adapters — especially professionals and gamers who use docking stations, high-performance Pavilion/Envy/Omen laptops, or multi-port USB docks. If you require a global-ready charger with built-in protections and broad compatibility for HP 4.5 × 3.0 mm connector devices, this supply is a practical, cost-effective option.