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Compact black rectangular AC adapter with 7.4 mm barrel connector and attached power cord

Kenuco

Kenuco 65W 19.5V 3.34A 7.4mm Laptop Charger

SKU CH-SN8K-333SH

65W AC adapter delivers 19.5V at 3.34A through a 7.4mm barrel connector and fits a wide range of Dell Latitude models

  • Product typeAC Adapters
  • Delivers 65 W output for reliable laptop power
  • 5 V 3.34 A matches original adapter specifications
  • 4 mm connector fits many Dell Latitude models
  • 100-240 V input works worldwide without a converter
  • Built-in protection guards against over-voltage and over-heating

Purpose and compatibility

This 65W AC adapter replaces the original power supply for a wide range of Dell Latitude laptops. It delivers 19.5V at 3.34A through a 7.4mm barrel connector with a 5.0mm centre pin, matching part numbers such as LA65NM130 and HA65NM130. Buyers needing a different voltage, a USB-C plug or a higher wattage for workstation-class hardware will not be served by this unit.

Installation and common issues

The charger plugs directly into the laptop’s DC jack and the supplied mains lead into any 100-240V 50-60Hz socket; no drivers or configuration are required. A frequent mistake is forcing the connector into a port with a different inner diameter or missing centre pin, which can damage the socket. The lightweight brick travels easily, but the fixed cable length limits desk placement options.

Capacity and headroom

Rated at 65W, the adapter comfortably powers the listed Latitude models during typical office workloads and battery charging. Under sustained heavy loads — such as discrete GPU stress or multiple peripheral draws — the unit may hit its current limit and trigger thermal protection, causing the system to throttle or switch to battery. It cannot support larger 90W or 130W configurations.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $36.99
Pricier than about 66% of the 27,790 comparable items (median $30.99).

Specifications

Product
Product typeAC Adapters

Questions about this item

How can I confirm the Kenuco 65W charger is delivering 19.5V 3.34A to my Latitude 5580 after plugging it in?

The laptop should show it is charging and the battery percentage increases; if the power LED on the adapter lights up and the system reports an AC power source, the adapter is working as intended.

What comes in the box with this 7.4mm tip adapter and do I need to buy a separate mains lead?

The package includes the 65W AC adapter with fixed 7.4mm 5.0mm connector and an integrated power cord; no extra cable is required for operation.

Which of the listed Latitude models matches the 19.5V 3.34A 65W specification for this charger?

All models named in the compatibility list — such as Latitude 5490, 5580, 7490, E6430, E5470, 5400, 5500, 5480, 5590, 7480, 5290 and 7290 — are rated for this 19.5V 3.34A 65W output.

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