RJ40G 42Wh Battery Replacement for Dell Latitude 5420 5520 RJ40G 005R42

RJ40G 42Wh Battery Replacement for Dell Latitude 5420 5520 RJ40G 005R42
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Dell RJ40G battery replacement

RJ40G 42Wh Battery Replacement for Dell Latitude 5420 5520 RJ40G 005R42 RJ40G 42Wh Battery Replacement for Dell Latitude 5420 5520 RJ40G 005R42 RJ40G 42Wh Battery Replacement for Dell Latitude 5420 5520 RJ40G 005R42 RJ40G 42Wh Battery Replacement for Dell Latitude 5420 5520 RJ40G 005R42

Dell RJ40G Battery Replacement - 1-Year Warranty

Upgrade your Dell Latitude 5420 5520 RJ40G 005R42 with our superior-quality replacement battery (RJ40G). Enjoy enhanced longevity and faster charging, crafted for optimal performance and eco-friendliness.

Item Code: DE7436SEP
In Stock! Your order will be dispatched within 48 hours.
  • Condition:Brand New
  • Brand: Dell
  • Technology: Li-ion
  • Voltage: 11.4V
  • Capacity: 42Wh
  • Replace Part Numbers: WY9DX
  • Device models: Dell Latitude 5420 5520 RJ40G 005R42
  • Warranty:1 Year Warranty and 30 Days Money Back
  • Payment Method:We accept PayPal payment
Price: £ 42.09
£ 52.00 You Save £ 9.91
DISCOUNT UP TO 30%
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Our advantages

High Quality Replacement Dell RJ40G Battery. View details and compatible models below.

warranty

100% compatible replacement for Dell Latitude 5420 5520 RJ40G 005R42 batteries

This battery replaces the Dell WY9DX and is compatible with all the models and batteries listed below. It is made with high quality cells and meets or exceeds the manufacturer's specifications.


Product Specifications for Replacement Sanyo Dell WY9DX Battery (11.4V, 42Wh, Li-ion)

Specifications
Brand: Dell
Technology : Li-ion
Voltage : 11.4V
Capacity : 42Wh
Compatible Part Numbers: WY9DX 0WK3F1 RJ40G
Compatible Model Numbers: Dell Latitude 5420 5520 RJ40G 005R42

High-performance 42Wh 11.4V Dell WY9DX battery

Our long-life replacement Dell Latitude 5420 5520 RJ40G 005R42 batteries deliver consistently high performance that matches or exceeds that of your original battery.


Dell Latitude 5420 5520 RJ40G 005R42 Battery Features

Upgrade your Dell Latitude 5420 5520 RJ40G 005R42 with a replacement our powerful new battery that enhances performance and extends the life of your valuable device in your pocket-friendly price.

Fully Tested: Each battery undergoes thorough quality checks before dispatch for you location. This ensures that you get a reliable, tested High quality product that meets the highest standards.


NOTE: Please verify your device’s model number to ensure that this part is compatible.
Designed to restore reliable performance and extend your device’s lifespan, this replacement part is essential for tackling battery issues and maintaining seamless functionality.

Multiple Intelligent Protection

Guaranteed 42Wh capacity

Unlike many competitors, our battery capacities are true, real and guaranteed. This Lithium Ion battery is 42Wh and offers long runtimes with fewer charging breaks - exactly as advertised.


Dell Latitude 5420 5520 RJ40G 005R42 Battery (RJ40G)

Dell Latitude 5420 5520 RJ40G 005R42 battery replacement RJ40G with a capacity of 42Wh is one of the main components of a Laptop . If you have problems with Dell Latitude 5420 5520 RJ40G 005R42 not charging, does not turn on, or it is discharging quickly, this replacement part will help you. Battery malfunction and service life can depend on many factors: charging cycles, age, temperature changes, so it is usually recommended to replace it every 2-3 years when its capacity drops to 80% or less.


The sustainable choice

Replace the battery, not your device. It’s the smarter, cheaper, eco-friendlier choice, saving you money while cutting your environmental footprint through recycling.


Superior quality and safety standards

Battery specialists since 2005, all our replacement Dell RJ40G batteries undergo strict, rigorous testing to fully comply with the highest EU standards and beyond - that’s why they come with a 1-year guarantee.


Step-by-Step Battery Replacement Guide

Power Down Your Device: Turn off your Dell Latitude 5420 5520 RJ40G 005R42 to ensure a safe battery replacement process.

Remove the Back Cover: Utilize the provided tools to carefully remove the back cover of your device.

Disconnect the Old Battery: Gently detach the old battery, ensuring not to damage any other components in the process.

Install the New Battery: Connect the new Mobile Battery for Dell Latitude 5420 5520 RJ40G 005R42 RJ40G to the designated slot, securing it in place.

Reassemble Your Device: Reattach the back cover, power up your device, and relish the enhanced performance with the new battery.

Optimize Battery Settings: Once your Dell Latitude 5420 5520 RJ40G 005R42 is powered up, navigate to your device settings and optimize the battery settings for improved performance and longevity.

Calibrate the Battery: To ensure accurate battery percentage readings, use your Laptop until it reaches 0%, then charge it to 100%. This calibration ensures more accurate readings in the future.


Frequently Asked Questions


Q: What parameters should be noticed when buying the Dell RJ40G battery replacement?

A:There are many parameters of laptop battery, among which the following parameters need special attention before purchase.

Cell Type: Generally speaking, Li-ion and Li-Polymer batteries are the best choices. Compared with NiMH batteries in the past, they have a longer life, faster charging, more environmental protection, and one-third lighter weight.

Voltage: Please note that there may be two or more different voltages, such as 11.1 V and 14.8V, matching the same laptop model. They are completely incompatible with each other.

Capacity: A higher capacity battery can power your laptop longer. At the same time, high capacity batteries are much larger in size, weight, and higher in price. You can make a choice based on your needs.

Condition: Be sure to choose "Brand New". Check the production date. Batteries have been in production for more than 2 years should be denied.

Q: Is there a hidden cost buying a battery for Dell RJ40G?

A:NO. You only need to pay the battery prices and shipping costs, no other hidden costs.

Q: What are the common issues of a worn-out Dell Latitude 5420 5520 RJ40G 005R42 battery?

A:When the charging/discharging cycles are over, the battery performance reduces significantly, and you’ve to replace it. Below are the most common issues when you need a Dell Latitude 5420 5520 RJ40G 005R42 battery replacement :

The battery drains much faster and goes down to low levels very swiftly.
Due to prolonged use, the battery is swelled or puffed up.
The battery works up to 50%, and the phone automatically switches off.
The battery is bulging, and the display is protruding outwards.
The charging percentage goes up and down without doing anything.
These are the most common issues that warrant an urgent replacement.

Q: What will greatly shorten the life of Dell RJ40G battery?

A:Many people find that their laptops can often be used for 5 years or even more than 10 years without failure, but laptop batteries can't. This is often caused by the following behaviors:

The battery is often completely depleted.

Idle the laptop for a long time and do not charge the battery regularly.

Use an unqualified power adapter.

The battery is placed in a humid environment or directly immersed in water.

High temperature is a battery killer to shorten the battery life, complete death, or even explode.

Q: How can I check the battery’s health myself?

A:Please navigate to the Settings--> Battery section of your phone. There, you can see all the vital details of the battery. You’ll also see a nice graph showing the battery consumption details. You can see which apps are eating up the resources, and this information allows you to manage the battery more efficiently.


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