HP CQ40 18.5V 3.5A 65W* (7.4mm X 5.0mm) Laptop Adapter

HP CQ40 18.5V 3.5A HP

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HP CQ40 18.5V 3.5A 65W* (7.4mm X 5.0mm) Laptop Adapter

Product Id: 04.02.0025

Regular Price  4,500
Special Price  4,200

Quick Overview

HP CQ40 18.5V 3.5A 65W* (7.4mm X 5.0mm) Laptop Adapter
Brand
HP
Model
HP CQ40 18.5V 3.5A
AC Input
100V – 240V~0.6A
DC Output
3.5A
Voltage
18.5V
Watt
65W
DC Cable Length
1.5 Meter
DC Connector Type
General port
DC Connector Size
7.4 x 5.0
Operating Frequency
50 to 60 Hz
Compatible With
HP Pavilion G4 G6 G7 M6 DV5 DV6 G72 Presario CQ40 CQ70 CQ60-615dx CQ61-200 HP Pavilion Dv4 DV4i DV4t DV4z Dv5 DV5t DV5z Dv6 Dv6t DV6tqe Dv6-7210us Dv6-7246us Dv6-7323c Dv7-7323cl M6-1105DX M6-1125DX M6-1205DX DV3510NR DM1 DM1Z DM4 DM4T DM4X Probook 4420s 4430s 4520s 4525s 4530s 4535s 4540s 6560b 6570b Series
Color
Black
Ac Power Cable with Adapter
No
Product Condition
Brand New
Made in/ Assemble
China
Warranty
1 Year (365 Days)

Details

Brand - HP, Model - HP CQ40 18.5V 3.5A, DC Connector Size - 7.4mm X 5.0mm, Compatible With - HP Pavilion G4 G6 G7 M6 DV5 DV6 G72 Presario CQ40 CQ70 CQ60-615dx CQ61-200 Series, Voltage - 18.5V, AC Input - 100V – 240V~0.6A, Dc Output - 3.5A, Operating Frequency - 50 to 60 Hz, DC Cable Length - 1.5 Meter, Color - Black, Product Condition - Brand New & Original, Made in/ Assemble - China, Warranty - 1 Year (365 days)

⚡ Laptop Adapter Buying Guide

Laptop adapters are very important for safe and stable charging. A good adapter keeps your laptop protected and ensures smooth performance. Choosing the right adapter helps avoid charging issues and hardware damage.

🔍 When should you replace your laptop adapter?

  • Laptop is not charging properly
  • Charging stops and starts again
  • Adapter gets very hot quickly
  • Cable or pin is damaged or broken
  • Laptop shows “Plugged in, not charging” issue
  • Charging light flickers or doesn’t turn on

🛒 What to check before buying a new adapter

  • Model Compatibility: Make sure it matches your laptop model
  • Voltage & Wattage: Always match the original adapter’s V and W rating
  • Connector Type: Check the charging pin size carefully
  • Quality: Choose OEM or high-quality adapters for safety and durability
  • Warranty: Prefer adapters with warranty support

⚠️ Why choosing the right adapter is important

A wrong or low-quality adapter can damage your laptop motherboard, battery, and other internal parts.

🔌 Laptop Adapter Care Tips for Long-Lasting Use

  • Avoid bending or twisting the cable
  • Don’t pull the cable from the wire always unplug from the head
  • Keep the adapter in a cool and dry place
  • Avoid using it on unstable power sockets
  • Unplug when not in use for long time
  • Use a surge protector for extra safety
  • Don’t cover the adapter while charging (prevents overheating)

💡 Extra Tips

  • If your adapter heats up too much, stop using it and check immediately
  • Regularly check for cable damage or loose connection

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