HP Compaq CQ42 Laptop Battery

HP Compaq CQ42 HP

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HP Compaq CQ42 Laptop Battery

Product Id: 02.02.0029

Regular Price  2,500
Special Price  2,200

Quick Overview

HP Compaq CQ42 Laptop Battery
Brand
HP
Model
HP Compaq CQ42
Battery Type
Lithium-Ion
Cells
6 Cells
Battery Capacity
49Wh 4400mAh
Product Part No
MU06 / MU09 / WD549AA / HSTNN-I84C / 593553-001 / 593554-001 / 593555-002/ 593550-001 / 636631-001 / WD548AA / HSTNN-LB0W / HSTNN-CBOW Compatible Models • HP Presario CQ72 CQ62 CQ57 CQ56 CQ42 CQ32 series
Voltage
11.1V
Color
Black
Compatible With
HP Presario Laptop CQ42 CQ32 CQ62 CQ72 CQ43 CQ43-300 CQ43-100 CQ56z-200 CQ62-100 CQ62-200 CQ430 HP Pavilion DM4 : DM4-1165DX DM4-1253CL DM4-1265DX DM4-2015DX DM4-2165DX DM4-3013CL DM4-3050US DM4-3055DX HP Pavilion DV5 DV6 DV7 Laptop: HP Pavilion DV5: DV5-1250US DV5-2000 DV5-2035DX DV5-2045DX DV5-2074DX DV5-2129WM DV5-2135DX DV5-2155DX HP Pavilion DV6: DV6-3000 DV6-3010US DV6-3019WM DV6-3025DX DV6-3230US DV6-3257CL DV6-3013CL DV6-6000 DV6-6013CL DV6-6033CL DV6-6120US DV6-6135DX DV6-6145DX DV6-6180US DV6-6C10US DV6-6C13TX DV6-6C35DX DV6-6C40US DV6-6C43CL DV6-6C43NR DV6-6C47CL DV6-6C48US DV6-6C50CA DV6-6C50US DV6-6C51CA DV6-6C53CL DV6-6C53NR DV6-6C54NR DV6-6C57NR DV6-6C73CA HP Pavilion DV7:DV7-4000 DV7-4060US DV7-4065DX DV7-6000
Product Condition
Brand New
Warranty
1 Year (365 Days)
Made in/ Assemble
China

Details

Brand - HP, Model - HP Compaq CQ42, Compatible With - HP Presario Laptop CQ42 CQ32 CQ62 CQ72 CQ43 CQ43-300 CQ43-100, Battery Type - Lithium-Ion, Part No - MU06 / MU09 / WD549AA / HSTNN-I84C / 593553-001, Cells - 4/6 Cells Depend on Stock, Capacity. - 49Wh 4400mAh, Voltage - 11.1V, Dimension - N/A, Weight - N/A, Color - Black, Product Condition - Brand New & Compatible, Made in/ Assemble - China

 

🔋 Laptop Battery Buying Guide

Laptop batteries don’t last forever. Over time, they lose power and performance. Knowing when to replace your battery and how to choose the right one can help you avoid problems and keep your laptop running smoothly.

🔍 When should you replace your laptop battery?

  • Battery drains very fast
  • Takes too long to fully charge
  • Laptop shuts down suddenly without charger
  • Battery gets swollen or overheated
  • Shows “Plugged in, not charging” issue

🛒 What to check before buying a new battery

  • Model Compatibility: Make sure the battery matches your exact laptop model
  • Voltage & Capacity: Choose the same Voltage (V) and Capacity (mAh/Wh) as the original battery
  • Quality: Go for OEM or high-quality batteries for better performance

⚠️ Why choosing the right battery is important

A low-quality battery can damage your laptop and may cause safety risks.

🔋 Laptop Battery Care Tips for Long-Lasting Performance

  • First Charge Properly: Fully charge the new battery before first use
  • Avoid Full Drain: Try not to let the battery drop to 0% frequently
  • Keep Charge Between 20%–80%: This helps increase battery lifespan
  • Use Original Charger: Always use the recommended charger for safe charging
  • Avoid Overheating: Keep your laptop in a cool and ventilated place
  • Unplug After Full Charge (if needed): Don’t keep it plugged in all the time
  • Regular Use: Use the battery regularly to keep it active

💡 Extra Tips

  • If your laptop heats up while charging, get it checked
  • Keep an eye on battery health regularly

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