Dell Big Pin 90W

Dell 90 W “Big Pin” AC Adapter – Genuine Dell Barrel-Tip Power Supply

Power your Dell legacy laptops with confidence using this genuine Dell 90 W big‑pin AC adapter, featuring the larger barrel-style connector known as the “big round tip” (typically 7.4 × 5.0 mm). This official Dell charger delivers consistent, high-capacity power for ultrabooks, business notebooks, and gaming-ready systems.

Key Features

• Power Output: 90 W (19.5 V DC at 4.62 A) — ideal for sustained system use and battery charging during high-performance workloads

• Connector: Big barrel tip (~7.4 × 5.0 mm) and built-in smart-pin interface to communicate with the laptop and enable full charging power

• Apple-Approved: Compatible with older Dell Latitude, Vostro, Precision, Inspiron, and XPS models requiring the large-diameter plug

Compatibility & Design

• Global Input: AC 100–240 V, 50/60 Hz – works worldwide with the appropriate power cable

• Build Quality: Solid housing with LED indicator on DC connector, ergonomic power brick, and cable management strap for tidy use 

• Safety Assured: Built-in over-voltage, short-circuit, and thermal protection ensures safe charging

Why Choose the Genuine Dell Version?

• Full Smart-Pin Compatibility: Ensures your laptop recognizes the adapter and allows battery charging at proper wattage

• Durable & Reliable: Certified OEM quality avoids power glitches and unsupported charging errors

• Official Warranty & Support: Retains system warranty compliance and Dell technical support backing