Lenovo ThinkPad T420S Battery

Lenovo Lenevo T430S Lenovo

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Lenovo ThinkPad T420S Battery

Product Id: 02.09.0041

Regular Price  3,500
Special Price  3,200

Quick Overview

Lenovo ThinkPad T420S Battery
Brand
lenovo
Model
Lenevo T430S
Battery Type
Lithium-Ion
Cells
4 Cells
Battery Capacity
44Wh
Product Part No
0A36287, 42T4844, 42T4845, 42T4846, 42T4847, 45N1036, 45N1037, 45N1038, 45N1039, 45N1064, 45N1065, 45N1143.
Voltage
11.1V
Color
Black
Compatible With
ThinkPad T420s, ThinkPad T420S 4170, ThinkPad T420S 4171, ThinkPad T420s 4171-A13, ThinkPad T420S 4172, ThinkPad T420S 4174, ThinkPad T420S 4175, ThinkPad T420S 4176, ThinkPad T420si, ThinkPad T420SI 4173, ThinkPad T430s, ThinkPad T430S 2352, ThinkPad T430S 2353, ThinkPad T430S 2354, ThinkPad T430S 2355, ThinkPad T430S 2356, ThinkPad T430S 2357, ThinkPad T430S 2358, ThinkPad T430si, ThinkPad T430SI 2352, ThinkPad T430SI 2353,ThinkPad T430SI 2354, ThinkPad T430SI 2355, ThinkPad T430SI 2356, ThinkPad T430SI 2358.
Product Condition
Brand New
Warranty
6 Months (180 Days)
Made in/ Assemble
China

Details

Brand - Lenovo, Model - Lenevo T430S, Compatible With - ThinkPad T420s, ThinkPad T420S 4170, ThinkPad T420S 4171, ThinkPad T420s 4171-A13, Battery Type - Lithium-Ion, Part No - 0A36287, 42T4844, 42T4845, 42T4846, 42T4847, 45N1036, 45N1037, 45N1038, 45N1039, 45N1064, 45N1065, 45N1143., Cells - 4 Cells, Capacity. - 44Wh, Voltage - 11.1V, Dimension - N/A, Weight - N/A, Color - Black, Product Condition - Brand New & Original, 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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