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Black rectangular power brick with 6.0 x 3.7 mm barrel connector

ASUS

ASUS 240W AC Adapter ADP-240EB B 20V 12A

SKU CH-S6S7-CEMB1

A 240 W laptop charger delivering 20 V at 12 A with a 6.0 x 3.7 mm barrel connector for compatible ASUS ROG and ZenBook models

  • Product weight2
  • Delivers 240 W for demanding ROG laptops
  • 20 V 12 A output matches original specs
  • 0 × 3.7 mm barrel with centre pin fits listed models
  • 100-240 V 50-60 Hz input works worldwide
  • Weighs 2.0000 kg for stable desk use

240 W replacement adapter for ASUS ROG

This 240 W AC adapter supplies 20 V at 12 A through a 6.0 x 3.7 mm barrel plug with a central pin. It is built as a direct replacement for the original charger supplied with compatible ASUS ROG Zephyrus, Strix SCAR, Strix G and ZenBook Pro Duo models.

Check your laptop's original charger

Verify that the original unit lists an output of 20 V and 12 A and uses the 6.0 x 3.7 mm connector with centre pin. Confirm the part number matches ADP-240EB B, ADP-240BB B, ADP-200JB D or ADP-230GB B. The adapter accepts 100–240 V input at 50–60 Hz, so it works on mains supplies worldwide.

Black plastic housing

The matte black enclosure is rated at 2 kg and contains no user-serviceable parts. A non-detachable AC cable connects directly to the body, while the DC output cable terminates in the keyed barrel plug that prevents incorrect insertion. The fixed cables mean there are no loose couplers to misplace, but the whole assembly must be replaced if either lead is damaged.

How it compares

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

Price $44.99
Pricier than about 77% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameASUS
Model nameG750JM
Product typeOther

Questions about this item

Does the box include a mains cable or only the adapter brick?

The adapter brick is supplied with a 6.0 x 3.7 mm DC connector; a separate IEC C5 mains cable must be purchased if one is not already available.

Should I choose this 240 W unit or the 200 W ADP-200JB D for my ROG Zephyrus G15 GA503?

The GA503 series is listed for both part numbers; the 240 W ADP-240EB B provides extra headroom for heavy GPU loads while the 200 W ADP-200JB D is lighter.

What does the 240 W rating mean when the adapter is connected to a ROG Strix SCAR 17 G733?

It delivers up to 20 V at 12 A, matching the laptop's peak power draw so the battery can charge while the CPU and GPU run at full speed.

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