weiwin 120W 19.5V 6.15A AC Adapter for HP Envy

Genuine weiwin 120W AC adapter delivering 19.5V at 6.15A with a 7.4×5.0mm tip—compatible replacement for many HP Envy dv4 and dv6 models.

If your HP Envy laptop needs a reliable replacement power supply, this weiwin original AC adapter provides the same electrical output and connector dimensions as the factory unit. Designed for worldwide voltage compatibility (100–240V) and shipped with a US three-prong power cord, the adapter arrives brand new and includes a 12-month warranty. It replaces OEM part numbers such as 644699-001 and 645156-001 and fits numerous Envy dv4 and dv6 variants listed below.

Which laptops will this weiwin adapter work with?

This adapter is compatible with a large range of HP Envy dv4 and dv6 series notebooks that require 19.5V at 6.15A and use a 7.4×5.0mm DC barrel plug. It’s sold as a direct-fit replacement for models that include the dv4-5300 series and many dv6-7300/7350/7380 series machines.

• Compatible with many HP Envy dv4 models (dv4-5300, dv4-5302tx, dv4-5312tx, etc.).
• Compatible with many HP Envy dv6 models (dv6-7300, dv6-7350, dv6-7380 and related SKUs).
• Replaces OEM numbers 644699-001 and 645156-001.
• Not all models are listed; verify voltage, amperage, and plug size before purchase.

How does this adapter protect my laptop and power reliably?

The weiwin adapter includes several built-in protections to preserve both the power supply and your laptop. Every unit goes through quality testing before being shipped so you get a stable output and safeguards against electrical faults.

• Over-current protection to prevent damage from excessive draw.
• Over-voltage and total-power protection to reduce surge risk.
• Short-circuit protection for safe operation in case of wiring faults.
• 100% tested units delivered with a 12-month warranty for peace of mind.

What are the electrical and physical specifications I should check?

Make sure the replacement matches your laptop’s power requirements and plug dimensions. This weiwin adapter matches the common factory spec used in many HP Envy systems.

• Input: AC 100–240V, 50–60Hz for worldwide use.
• Output: DC 19.5V, 6.15A, total 120W power rating.
• DC connector: 7.4mm outer × 5.0mm inner barrel size.
• Power connection: three-prong US plug included; other cord types not included.

What comes in the box and what warranty support is provided?

Every purchase arrives ready to power your laptop right away and is covered by a manufacturer warranty. The pack provides the essential components for immediate use and straightforward support if issues arise within the warranty period.

• Included: 1x weiwin AC adapter and 1x US power cord (three-prong).
• Condition: brand new, genuine weiwin original unit.
• Warranty: 12 months manufacturer coverage for defects and failures.
• Note: verify plug polarity and size before installation to avoid damage.

Who is this for: This weiwin 120W 19.5V 6.15A AC adapter is intended for HP Envy owners who need a factory-spec replacement power supply—particularly users of dv4 and dv6 series laptops that match the listed voltage, amperage and 7.4×5.0mm connector. It's also suited to technicians, refurbishers, and anyone replacing a lost or damaged charger who wants an original-brand unit with tested safety features and a 12-month warranty.