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Black rectangular AC adapter with 4.5x3.0mm barrel connector and detachable power cord

Graviton

Graviton 20V 12A 240W 4.5x3.0mm AC Adapter

SKU CH-EYAY-G1QG4

Delivers 20 V at 12 A for 240 W through a 4.5×3.0 mm centre-pin plug, accepting 100–240 V input at 50–60 Hz with CE certification

  • Delivers 240W to run demanding MSI laptops
  • 20V 12A output matches original ADP-240EB D specs
  • 5x3.0mm centre-pin plug fits compatible MSI models
  • 100-240V 50-60Hz input works worldwide
  • CE certified for electrical safety compliance

Power Output

This 240W AC adapter delivers 20V at 12A for compatible MSI laptops. It replaces the Delta ADP-240EB D unit and includes a power cord. The centre-positive barrel connector measures 4.5x3.0mm. The unit is new and CE certified.

Connector Fit

The barrel plug is 4.5mm outer diameter by 3.0mm inner diameter with a centre pin. Only laptops that specify this exact tip size and polarity will connect securely. Buyers who need a different tip diameter or pin arrangement cannot use this adapter.

Continuous Operation

Rated for 100-240V input at 50-60Hz, the adapter sustains its full 240W output during extended charging sessions. Thermal design maintains stable voltage without throttling under constant load. It is not intended for devices that draw more than 12A at 20V.

How it compares

Measured against everything we stock in Tech Gadgets & Accessories, at today’s prices. Recalculated every night.

Price $46.99
Pricier than about 76% of the 5,998 comparable items (median $24.99).

Specifications

No published specifications for this item yet.

Questions about this item

What does the 240W rating mean for my laptop?

It delivers up to 240 watts at 20 volts and 12 amps, matching the power draw of compatible MSI laptops under full load.

What input range does the adapter support and what does that cap?

The unit accepts 100 to 240 volts at 50 to 60 hertz, so it works on mains worldwide without a voltage converter.

Will the 4.5x3.0mm centre-pin plug fit my MSI charging port?

Yes — the barrel measures 4.5 millimetres outer diameter by 3.0 millimetres inner diameter with a centre pin, matching the ADP-240EB D specification.

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