Compatible Battery for Dell 3521 / 5421 6C – Designed for seamless compatibility with Dell Inspiron 15 3521, Inspiron 17R 5721, Latitude 3440, and Vostro 3445 laptop models. This high-capacity 4000mAh 6-cell Li-ion battery offers reliable performance, extended backup time, and efficient power delivery for uninterrupted usage. Built with quality cells to ensure durability, stable charging cycles, and optimal laptop performance. Perfect replacement for worn-out or faulty Dell laptop batteries
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Compatible Battery for Dell 3521 / 5421 6C – Inspiron 15 3521, 17R 5721, Latitude 3440, Vostro 3445 Laptops (4000mAh, 6-Cell)
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₹1,120
₹2,240
( 50% Off )
Availability:
In Stock
Condition:
New
Affiliate Commission : ₹56.00 (5.00%)
Key Features
- Compatible with Dell 3521 / 5421 6C, Inspiron 15 3521, 17R 5721, Latitude 3440, and Vostro 3445
- Comes With 6 Months Warranty
- High-capacity 4000mAh for extended laptop usage
- 6-cell lithium-ion design for stable and reliable performance
- Easy installation with a precise fit for listed models
- Built with premium cells for durability and safety
- Ideal replacement for worn-out or faulty laptop batteries
Frequently Bought Together
Technical Details
| Brand: | Dell |
|---|---|
| Model number: | 3521 / 5421 6C – Inspiron 15 3521, 17R 5721, Latitude 3440, Vostro 3445 Laptops |
| Seller SKU: | LI-19 |
| Condition: | New |
| Origin: | China |
| Availability: | In Stock |
| Minimum order quantity: | 1 |
| Shipping weight: | 1000.00 g |
| Date first listed on DP MART : | Aug 11, 2025 |
SELLER SPECIFICATION
Product Name:
Compatible Battery for Dell 3521 / 5421 6C – Inspiron 15 3521, 17R 5721, Latitude 3440, Vostro 3445 Laptops (4000mAh, 6-Cell)
Compatibility:
-
Dell Inspiron 15 3521
-
Dell Inspiron 17R 5721
-
Dell Latitude 3440
-
Dell Vostro 3445
Battery Type:
Rechargeable Lithium-ion battery
Condition:
Brand new, 100% compatible, tested for quality and performance
Voltage:
11.1V / 11.4V (as per laptop specification)
Capacity:
4000mAh
Number of Cells:
6-cell battery pack
Warranty:
Standard seller/manufacturer warranty (specify duration if applicable)
Features:
-
High-capacity 4000mAh battery for extended laptop usage
-
6-cell design for stable and long-lasting power output
-
Easy installation with a perfect fit for listed models
-
Built with high-quality lithium-ion cells for durability
-
Meets or exceeds OEM quality and safety standards
Usage:
Ideal replacement for old, weak, or damaged batteries in the listed Dell laptop models
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Lappy Power
Delhi, Delhi
Lappypower1404@yopmail.com
Delhi, Delhi
Lappypower1404@yopmail.com
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