Dell 4030/4020 Notebook Battery

Dell 4030/4020 Dell

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Dell 4030/4020 Notebook Battery

Product Id: 02.03.0015

Regular Price  3,000
Special Price  2,700

Quick Overview

Dell 4030/4020 Notebook Battery
Brand
Dell
Model
Dell 4030/4020
Battery Type
Lithium-Ion
Cells
6 Cells
Battery Capacity
48wh 4400 mAh
Product Part No
0M4RNN 312-1231 KG9KY W4FYY X3X3X
Voltage
11.1 V
Color
Black
Compatible With
DELL INSPIRON 14V BATTERY, DELL INSPIRON 14VR BATTERY, DELL INSPIRON M4010 BATTERY, DELL INSPIRON N4020 BATTERY, DELL INSPIRON N4030 BATTERY
Product Condition
Brand New
Warranty
6 Months (180 Days)
Made in/ Assemble
China

Details

Brand - Dell, Model - Dell 4030/4020, Compatible With - DELL INSPIRON 14V BATTERY, DELL INSPIRON 14VR BATTERY, DELL INSPIRON M4010 BATTERY, DELL INSPIRON N4020 BATTERY, DELL INSPIRON N4030 BATTERY,, Battery Type - Li-ion, Part No - N/A, Cells - 6 Cells, Capacity. - 4400 mAh, Voltage - 11.1 V, Dimension - 208.00 x 62.10 x 21.00 mm, Weight - N/A, Color - Black, Product Condition - Brand New & Compatible, Made in/ Assemble - China, Warranty - 6 months (180 Days),

🔋 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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