8TT5W Replacement Battery for Dell Inspiron 3421 5421 15-3521 5521 3721 MR90Y XCMRD

SPECIFICATIONS

Note:
Capacity (mAh): The higher the number, the longer the battery lasts—great for power-hungry devices.
Voltage: Make sure it matches your device requirements, especially when using rechargeable batteries.
Device Compatibility: Check whether your device requires lithium, NiMH (nickel-metal hydride), or alkaline batteries.

Replacement Battery for Dell Inspiron 3421 5421 15-3521 5521 3721 MR90Y XCMRD – Laptop Batteries Model 8TT5W

1. Please carefully read the 8TT5W battery information and compatible models provided by us, please do not buy it by mistake. If in doubt, please send an email.

2. Deal with a non-removable internal battery with the help of tools and full of DIY experience. If not, get professionals' help.

3. Li-ion rechargeable battery is not compatible with other types of battery, like ni-mh, ni-cd.

4. "Dell battery 8TT5W" offered by eazybattery.com, belongs to the Li-ion, self-protected if overcharged, perfectly run in motion for Dell Inspiron 3421 5421 15-3521 5521 3721 MR90Y XCMRD.

5. The same series of dell laptop batteries may be divided into versions or names among different regions. Please carefully check your device model and the capacity of the original battery.

6. If the Dell 8TT5W battery's appearance or capacity does not match the specifications, or if it does not function properly, please contact us immediately.

Shipping & Return Policy

We are committed to providing fast, secure, and worry-free delivery services. All products include free shipping with no minimum order required, making your shopping experience even easier.
*Thank you for shopping at eazybattery.com!

Free Shipping: Every order qualifies for free standard shipping—no minimum purchase necessary.

Processing Time: Orders are typically processed and shipped within 1–2 business days.

Delivery Time: Standard delivery takes approximately 7 to 20 business days depending on your location.

Order Tracking: Once your order is shipped, you’ll receive tracking information so you can follow its progress.

International Shipping: We offer delivery services to various countries and regions. Shipping fees and estimated delivery times are shown during checkout.

Countries/Regions Eligible for Delivery

Return Policy

Quality problems: We will be responsible for replacements or refunds if there are quality problems within 30 days of delivery of the products. The customer may have to return the product to our offices, and after confirming that the products have not been damaged, by the way, we will replace the product.

If you want to return a product that has no quality problems, the returned products must be in original condition with all original packaging. If you have lost an accessory or component of the product, the price of the accessory or component will be deducted from the repayable amount.

Orders cancelled before delivery do not incur any expense, the amount of the order will be returned in its entirety.

* We recommend using "Paypal" for payment.

The advantages of using paypal payments:

1. With the PayPal payment system, credit is immediate and secure. Paypal guarantees the security of data entered protecting you from the risk of fraud.

2. The data entered on the PayPal site will be processed directly by the same and will never be transmitted or shared with eazybattery.com, orders info are for shipping only.

3. Paypal guarantees total protection in the event that your account is used fraudulently by refunding the amount paid.

Guarantees: 1 year warranty! 30 days money back guarantee!

Frequent questions

Is this battery compatible with my Dell 8TT5W, and how can I avoid mistakes when choosing? ?

Yes, this battery is compatible with Dell 8TT5W. Before ordering, please make sure to check the voltage of your original battery. Even if the part number (P/N) looks the same, batteries with different voltages may not be compatible.To avoid mistakes, compare your original battery with the product photos and specifications, paying attention to dimensions and shape. In some cases, the P/N may match, but the physical design could differ.

Is the price shown on the product page the final price?

Yes, the price displayed on our website is the final price. All batteries purchased here include shipping costs and VAT, so there are no hidden charges.

How long does it take to process an order ?

Orders are processed and shipped within 3 business days.

Why most customers purchase batteries from us?

-The indicated milliampere-hour (mAh) capacity is genuine and reflects the real tested value.

-The battery cells are of the highest quality, ensuring stable performance and long lifespan.

-The plastic housing is carefully selected and strictly tested for durability.

-The contacts and assembly meet the highest safety standards, providing reliable protection.

-These Dell 8TT5W batteries are fully certified for commercialization in Europe, meeting all required safety standards and regulations.

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Need help finding the right battery? How to identify the original battery code

All devices, cameras, camcorders, laptops etc ... have a code that can be called in various ways:

- Original Battery Code

- Original Manufacturer part number

- Original part number

etc ... but the concept is always the same and it is the original Battery Code.

This code is printed on the battery label or directly printed on the plastic case of the battery.