Dell ADP-DA65NS4-00 19.5V Power Adapter

The Dell ADP-DA65NS4-00 Power Adapter (also known as DA65NS4-00, ADP-65AH B, or part numbers like XK850 / 0XK850) is a genuine OEM 65W AC adapter from Dell, designed primarily for select Dell Inspiron laptops, certain Latitude/Vostro models, and even some Dell monitors (such as the SX2210T touchscreen monitor). This reliable power supply delivers stable 19.5V output for efficient battery charging and uninterrupted operation during everyday tasks like productivity, browsing, streaming, and light creative work.

As an authentic Dell-manufactured spare part, it incorporates advanced safety features to guard against overvoltage, overcurrent, short circuits, overload, and overheating. The universal input range ensures compatibility with global AC outlets, and its distinctive Dell connector provides a secure, model-specific fit. It typically includes a standard AC power cord for easy setup.

Key Features

• Genuine Dell OEM quality — Authentic Dell part for optimal compatibility, performance, and long-term reliability.
• 65W power delivery — Ideal for charging and powering mid-range Dell laptops and compatible devices without performance limitations.
• Universal input — Supports 100-240V AC worldwide, perfect for home, office, or international travel.
• Built-in safety protections — Comprehensive safeguards including overvoltage, overload, short circuit, and thermal protection.
• Special Dell connector — 7.4mm outer x 5.0mm inner barrel plug with center pin (octagonal/large tip design, often called “octagon tip” or “large tip” for newer Dell models; center positive polarity).
• Includes AC power cord — Standard 3-prong (IEC C13) input cord for immediate plug-and-play use.
• Compact and durable — Lightweight external brick design for portability and everyday reliability.

Specifications

• Part Number / Model: ADP-DA65NS4-00 (also DA65NS4-00, ADP-65AH B, XK850, 0XK850)
• Input: 100-240V AC ~ 1.5-1.6A, 50/60Hz (universal voltage)
• Output: 19.5V DC @ 3.34A (65W maximum)
• Connector: 7.4mm x 5.0mm barrel plug with center pin (Dell large/octagonal tip; ensure your device matches this connector to avoid incompatibility)
• Power Rating: 65W
• Cable Length: Approximately 6-10 ft total (adapter brick to connector + input power cord)
• Color: Black (standard Dell rectangular or slim brick housing)
• Compatibility: Dell Inspiron series (e.g., 15 5000/7000 models like i5584, 5370, 5488, 7580); some Latitude and Vostro models (e.g., 3490, 3480, 5581); Dell SX2210T monitor; and other devices originally using ADP-65AH B / DA65NS4-00 or equivalent 65W 19.5V adapters with the 7.4×5.0mm center-pin connector. Cross-compatible with similar part numbers like HR763, 310-9249, etc. Always check your device’s original adapter label, power requirements, or Dell support site for exact match—mismatched connectors or specs can cause damage.
• Condition: New/OEM (original Dell manufacture) or genuine used/tested units commonly available.

This adapter is a perfect replacement for lost, damaged, or aging original chargers on compatible Dell laptops and monitors, restoring full charging capability and dependable power. It’s especially handy for maintaining older or mid-range Dell systems. Verify connector size (7.4×5.0mm with center pin), output (19.5V 3.34A), and model compatibility before purchase to ensure safe, optimal performance—ideal for repairs, spares, or keeping your Dell device powered reliably.

Tested and Working.