Laptop-Notebook Power Supplies

Finding the right AC Adaptor for your laptop or notebook...

Most people refer to these as chargers but they are technically an AC Adaptor.

In the most basic of forms, AC Adaptors convert AC mains power (100-240V) to a smaller DC voltage for use with devices.

Finding a suitable Laptop AC Adaptor is a very simple 3 step process;

  1. Voltage (V)     input voltage required by the device (found on the rating label)
  2. Current (mAh) input current the device consumes (also found on rating label)
  3. Connector       size and polarity of the connector itself.


There is a very simple to follow guide here


Master Instruments offers a number of universal solutions that are suitable for a wide range of devices from well know manufacturers such as Acer, Apple, Asus, Compaq, Dell, Fujitsu, HP, Lenovo, Sony and more.

Our newest product, the QC3-AC-LT5 from Enecharger, is a universal Automatic Smart charger and comes supplied with 10 common adaptors (connectors) + a USB-C cable for charging most brands. And we have also added 8 extra adaptors to use with this for bunch of other device models.

Click here to view the cross reference guide . (Includes voltage, current and connector dimensions)

For more information, please view the products from the list below.



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Enecharger LT-AC90 LT-AC90 Enecharger 90W Laptop Power Supply with 12V-24V (6.0A max.) Output plus 5V 2.1A max USB Output. Simultaneously Charge Laptops & Notebooks as well as USB-A Type Powered Tablets and Phones Enecharger 69.6 17.5 114 239
Enecharger LT-DC90 LT-DC90 Enecharger 90W In-Car Laptop Power Supply with 14V-20V (6.0A max.) Output plus 5V 2.4A max USB Output. Simultaneously Charge Laptops & Notebooks as well as USB-A Type Powered Tablets and Phones Enecharger 63.5 16.9 48.9 61
Enecharger LT-PD90 LT-PD90 Enecharger 90W USB-C PD Laptop Power Supply Featuring USB-C Power Delivery (PD) 5V-20V Output and 5V 2.4A USB Output. Simultaneously Charge USB-C Input Laptops, Notebooks and Phones as well as USB-A Type Powered Tablets and Phones Enecharger 59 25 125 269
Powertech MP3246 MP3246 19VDC 3.2A Laptop Power Supply 65W AC to DC Powertech 51 32 115 258
Powertech MP3329 MP3329 Slimline Universal Laptop Power Supply 120W 100-240V 19VDC 5.7A max with 8 Plugs Powertech 75 19 123
Powertech MP3472 MP3472 Laptop Power Supply 150W DC to DC Powertech 60 35 115 402.5
Enecharger QC3-AC-LT3 QC3-AC-LT3 Enecharger 3-port Smart Automatic 5V-20V 40W Laptop & Phone Charger with Quick Charge 3.0 USB Outputs and USB-C Power Delivery - Suitable for Charging Laptops & Notebooks as well as Tablets and Smartphones Enecharger 65 16 109 126
Enecharger QC3-AC-LT5 QC3-AC-LT5 Enecharger 5-port Smart Automatic 5V-20V 80W Laptop & Phone Charger with Quick Charge 3.0 USB Outputs and USB-C Power Delivery - Suitable for Charging Laptops & Notebooks as well as Tablets and Smartphones Enecharger 98 20 110 238
Enecharger QC3-AC-LT5-N09 QC3-AC-LT5-N09 Enecharger USB-A to Laptop DC Connection Cable with N09 19.5V DC Tip - Suitable for Fujitsu & Sony Enecharger
Enecharger QC3-AC-LT5-N14 QC3-AC-LT5-N14 Enecharger USB-A to Laptop DC Connection Cable with N14 16V DC Tip - Suitable for Acer, Delta & IBM Enecharger
Enecharger QC3-AC-LT5-N20 QC3-AC-LT5-N20 Enecharger USB-A to Laptop DC Connection Cable with N20 19V DC Tip - Suitable for Asus Enecharger
Enecharger QC3-AC-LT5-N22 QC3-AC-LT5-N22 Enecharger USB-A to Laptop DC Connection Cable with N22 19.5V DC Tip - Suitable for Dell Enecharger
Enecharger QC3-AC-LT5-N33 QC3-AC-LT5-N33 Enecharger USB-A to Laptop DC Connection Cable with N33 19V DC Tip - Suitable for Samsung Enecharger
Enecharger QC3-AC-LT5-N40 QC3-AC-LT5-N40 Enecharger USB-A to Laptop DC Connection Cable with N40 19V DC Tip - Suitable for Asus Enecharger
Enecharger QC3-AC-LT5-N41 QC3-AC-LT5-N41 Enecharger USB-A to Laptop DC Connection Cable with N41 12V DC Tip - Suitable for Microsoft Surface Pro 3, Surface Pro 4, Windows 8 Tablet Pro 3 Enecharger
Enecharger SL-95WUSB SL-95WUSB Enecharger 95W ultra-slim high efficiency laptop power supply with additional USB output suitable for charging most 19V laptop & ultrabook computers as well as most USB powered tablets and phones Enecharger 70 18 110 242


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