{{ totalProductsCount }}
In cart {{totalProductsCount}} item(s)

In cart {{totalProductsCount}} item(s)

Total:
{{sum | formatAmount}}

Your cart is empty

header-product Battery BTI RJ40G for DELL Latitude 5420 5520
Minimum search length 3 characters
{{searchQuery.text}}
{{shortcut.title}}
{{searchString}} → {{searchInCategorySuggest.title}}
{{category.title}}
{{category.path}}
AiO.lv Laptops & Computers Portable Device Accessories Portable Device Batteries origin storage

Battery BTI RJ40G for DELL Latitude 5420 5520

Battery BTI RJ40G DELL Latitude 5420 5520 Photo 1
Battery BTI RJ40G DELL Latitude 5420 5520 Photo 1
Battery BTI RJ40G for DELL Latitude 5420 5520
Out of stock.
View similar!
Out of stock.
View similar!

Short description

The BTI RJ40G battery is designed for DELL Latitude 5420 and 5520 laptops. It ensures reliable power supply and compatibility with your device. This battery is a perfect replacement for your original battery, providing long-lasting performance and efficiency.
Warranty: 2 Years
SKU: 10525174
delivery
Information regarding the items availability for purchase will be posted on this site
price
Item cost information will be published on this site
Together cheaper
{{product.price | formatAmount}}
{{product.title}}
{{productBundle.reference.specialPrice | formatAmount}}
{{productBundle.title}}
{{productBundlePreviousPrice | formatAmount}}
{{productBundleSpecialPrice | formatAmount}}

You saving {{productBundleYouSave | formatAmount}}

Product information

Description

The BTI RJ40G battery is designed specifically for DELL Latitude 5420 and 5520 laptops. It provides a direct replacement power source compatible with the original battery form factor and connectors, helping restore mobile runtime and device portability. The battery is intended to deliver consistent voltage and acceptable cycle life for routine office, study, and travel use.

Advantages

This battery offers compatibility with DELL Latitude 5420 and 5520 models and fits the original battery bay without modification. It is built to meet standard safety and performance expectations for laptop batteries, providing stable power delivery under typical workloads. The unit aims to reduce unexpected shutdowns and supports normal charging and discharge behavior with the laptop's charging system.

Suitable for

  • Replacing a worn or failing battery in DELL Latitude 5420 and 5520 laptops
  • Extending mobile runtime for business travel and commuting
  • Students and professionals needing reliable on-the-go power
  • Repair shops and technicians servicing compatible Dell models

Key specifications

  • Compatibility: DELL Latitude 5420, DELL Latitude 5520
  • Form factor: internal replacement battery designed for the laptop's battery bay
  • Cell chemistry: lithium-ion (Li-ion)
  • Function: rechargeable battery for laptop power supply
  • Typical usage: office applications, web browsing, video playback, light multitasking

How to use

Power down the laptop and disconnect the AC adapter before starting the replacement. Remove the service panel or bottom cover following the device manufacturer's instructions, then carefully unplug and remove the existing battery. Insert the BTI RJ40G battery into the bay, ensuring the contacts align, and secure any retaining screws or latches. Reattach the cover, reconnect the AC adapter, and charge the battery fully before normal use. After installation, verify battery status in the operating system's power management utility.

Usage recommendations

Charge the battery to full capacity before first use and avoid deep discharges when possible. Use the laptop's built-in charging settings to optimize battery longevity, keep the device and battery contacts clean, and store the battery at moderate temperatures if the laptop will be unused for extended periods.

Specifications

Battery technology:
Lithium-Ion (Li-Ion)
Battery capacity:
3941 mAh
Product colour:
Black
All features
Quantity per pack:
1 pc(s)

Battery

Battery technology:
Lithium-Ion (Li-Ion)
Battery capacity:
3941 mAh
Number of battery cells:
4
Battery voltage:
15.2 V
Battery capacity:
63 Wh
Product colour:
Black

Technical details

Type:
Battery
Compatibility:
Latitude 5420, 5520
Brand compatibility:
Dell
Hide Show all

Description

Machine translation. Load original

Similar products

{{product.title}} Show details Hide details

{{highlightedFeature.featureTitle}}:

{{getProductFeatureValueById(product, highlightedFeature.featureId)}}

{{product.price | formatAmount}}
Might be useful
{{product.manufacturerName}}
{{product.categoryName}}
{{product.title}}
{{product.specialPrice}}
{{product.price}}

Customer reviews

Show all reviews

Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All origin storage products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized origin storage service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery technology, battery capacity, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
Show all questions
{{totalProductsWishes}} {{totalProductsCompare}} {{totalProductsCount}}
We respect your privacy
We use cookies to ensure the full operation of our store. The information associated with cookies is not used to personally identify you, and the files themselves are stored on your device, under your control. Cookies are not used for purposes other than those stated in our Privacy policy. By continuing to use our site, you agree to the use of essential cookies. If you do not agree, please, leave this site.
We use cookies
Show info
We respect your privacy
We use cookies to ensure the full operation of our store. The information associated with cookies is not used to personally identify you, and the files themselves are stored on your device, under your control. Cookies are not used for purposes other than those stated in our Privacy policy. By continuing to use our site, you agree to the use of essential cookies. If you do not agree, please, leave this site.
Which cookie files we use?

The necessary technical cookies allow you to use the basic functions of the store, such as page navigation, ordering, access to secure sites and more. The site cannot function properly without these files.

Preferences cookies are used to save information that changes how the site works and looks.

Static cookies are used in order to help the sites owner understand how the users are interacting with the site.

Marketing cookies are used in order to track a users movements throughout the site in order to show interesting and relevant ads to the specific user.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
shipping
Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
payment
Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
warranty
Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.