BIYTC 45W Laptop Charger 19.5V 4.5×3.0mm Blue Tip

This BIYTC adapter restores reliable power to notebooks that require a 19.5V⎓2.31A (45W) supply and a 4.5*3.0mm plug with a blue inner pin. Built for everyday use, it replaces lost or damaged OEM adapters and fits a long list of HP models and SKUs without forcing you to search for specific part numbers. The unit ships complete with the AC power cord you need to plug directly into wall outlets around the world (100–240V input range).

Which HP laptops will this adapter work with?

The charger is designed for many Pavilion, Stream and 15/14/13-inch notebook variants that accept a 4.5mm barrel plug with a center pin and 19.5V/2.31A output. BIYTC lists specific model series and common SKU aliases so you can quickly check compatibility against your laptop model or the OEM part number.

• Fits Pavilion models such as 15-cs, 15-f, 17-g series and similar 15-inch variants.
• Compatible with Stream models including 11-, 13- and 14-inch series named in the compatibility list.
• Works with multiple 15-inch Notebook series and certain ZBook and Spectre X360 models that use the 4.5×3.0mm blue-tipped plug.
• Matches OEM part numbers like HSTNN-LA40, ADP-45WD B, PA-1450-36HE and others provided in the product details.

How safe and reliable is this 45W replacement adapter?

BIYTC supplies an adapter that meets common electrical safety and operational expectations for laptop chargers: universal 100–240V input, steady 19.5V output and the correct barrel connector to ensure a snug fit. It’s intended as a functional replacement rather than an upgrade, so pairing the correct model ensures stable charging and powered operation.

• Wide input voltage range for international use (100–240V, 50–60Hz).
• Consistent output of 19.5V⎓2.31A to match the laptop’s designed power draw.
• Blue-tip 4.5×3.0mm plug with central pin for secure contact and correct polarity.
• Includes the AC power cord for immediate use out of the box.

Will this charger meet my daily charging and mobility needs?

The 45W rating suits everyday browsing, document work and light productivity on compatible HP laptops; it will charge batteries and power the device during typical use. For high-performance tasks that demand more power (gaming, heavy video work), confirm your notebook’s original wattage to avoid under-powering during intensive loads.

• Compact size and universal input make it travel-friendly for commuters and students.
• 45W output is appropriate for standard office and home usage on supported models.
• Plug-and-play replacement with included AC cord for quick setup.
• Designed to replace common OEM adapter SKUs to reduce compatibility confusion.

What should I check before buying this replacement adapter?

Confirm the required output voltage (19.5V), amperage (2.31A), and connector size (4.5×3.0mm with blue center pin) on your laptop or original adapter. Cross-check any listed OEM part numbers or model series to make sure you pick the right replacement for your exact machine.

• Verify your laptop’s power label shows 19.5V and a current near 2.31A (45W).
• Match the physical connector: 4.5mm outer, 3.0mm inner with blue center pin.
• Compare OEM SKUs from the product’s compatibility list if available on your device sticker.
• Contact BIYTC customer support if you need help confirming fit or compatibility.

Who is this for? This BIYTC 45W adapter is aimed at HP Pavilion and Stream owners, students, remote workers and anyone who needs a dependable, correctly sized replacement power adapter for compatible 11–17 inch notebooks. If your laptop’s original adapter was lost, damaged, or you need a spare for travel, this compact 19.5V 2.31A charger with the blue-tip 4.5×3.0mm plug provides a practical, ready-to-use solution complete with an AC power cord and broad model coverage.