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Compact black AC adapter with detachable power cord

Bolton Technical

Bolton Technical AC Charger 19V 2.1A 40W for Samsung Galaxy Book Flex Alpha NP730QCJ

SKU CH-GJN7-SNVN6

A 19 V 2.1 A 40 W AC charger with 100–240 V input and included power cord, safety-tested for Samsung Galaxy Book Flex Alpha NP730QCJ models

  • Safety certified by UL for reliable protection
  • Delivers 19V 2.1A 40W output for compatible charging
  • Works with 100-240V input for worldwide use
  • Includes AC power cord for immediate setup
  • Designed for Samsung Galaxy Book Flex Alpha NP730QCJ models

Compatible Laptop Models

This AC charger fits the Samsung Galaxy Book Flex Alpha NP730QCJ-K01US and NP730QCJ-K02US laptops. It delivers a 19V 2.1A output rated at 40W. The unit accepts a 100-240V input range for worldwide use. A safety certification by UL is included.

Sustained Load Behaviour

The adapter supplies a continuous 19V 2.1A current up to its 40W maximum rating. It is designed only for devices requiring amperage equal to or less than 2.1A. UL safety testing covers prolonged operation at this output level. The package includes one power adapter and one AC power cord.

Pre-Purchase Checks

Verify your laptop model matches NP730QCJ-K01US or NP730QCJ-K02US exactly before ordering. Confirm the original charger specifies 19V output and 2.1A or lower amperage. This unit cannot support laptops needing more than 2.1A current. Buyers who need a higher amperage adapter should look elsewhere.

How it compares

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

Price $30.99
Typical for this category: the median of 27,790 items is $30.99.

Specifications

No published specifications for this item yet.

Questions about this item

How much heat does the 19V 2.1A 40W adapter produce when powering the Galaxy Book Flex Alpha NP730QCJ all day?

The charger is UL safety certified and operates on a 100-240V input range, designed to run continuously within normal thermal limits for the 40W output.

What cable or connector must I already have to use this charger with my NP730QCJ-K01US?

The package includes one power adapter and one AC power cord, so no extra cables are required for the listed Samsung models.

Will this 40W unit charge an older Samsung laptop that originally shipped with a lower-wattage brick?

It is compatible only with the Galaxy Book Flex Alpha NP730QCJ-K01US and NP730QCJ-K02US and only for amperage equal to or less than 2.1A.

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