Mylap 3521 XCMRD Battery is fully compatible with Dell Inspiron 15 3521, 3537, 3542, 3543, 5521, 5537, 5721, 5737, 3421, 3437, 3442, 3443, 5421, 5437, 5435, 7421, 7437, Vostro 2421, 2521, XCMRD, 4DMNG, 312-1392, 451-BBMG, and 8858X Laptops. This high-quality Dell XCMRD replacement battery delivers exceptional performance, extended backup, and enhanced reliability for seamless laptop productivity.
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Mylap 3451 M5Y1K Laptop Battery Compatible with Dell Inspiron 3451, 3551, 5551, 15 3000, 15-3558, 15-3567, 15 5000 Battery For Vostro M5Y1K, 3458, 3467, 5458, P63F, P47F, P51F Laptop Battery
Original price was: ₹2,999.00.₹1,499.00Current price is: ₹1,499.00.count
Mylap High-Quality HS04 / HS03 Laptop Battery for HP 240 G4 Compatible with N2L85AA, HSTNN-LB6U, Pavilion 14/15-Ac/Af/Ad/Aj0Xx Replacement Battery
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MYLAP Laptop Battery for Dell Inspiron 3521, XCMRD, 3542, 15 3537, 15R 5521, 15R 5537, 15 3542, 3543, Latitude 3440, 3540, E3440 – Type MR90Y, P28F, P40F – 6 Cell
Free Delivery
5 Days Refundable
1 Year warranty
Best Quality Guaranteed
Original price was: ₹2,999.00.₹1,499.00Current price is: ₹1,499.00.count
Brand:
- Battery Type : Li-ion
- Capacity : 4000 mAh/44WH, Voltage : 11.1v,
- Waranty : 1 Year Replacement Warranty
- Number of Cell : 6 Cell
- Box contains 1 Compatible Dell 3521 Laptop Battery .
- BIS APPROVED
-
Mylap Laptop Battery – Unleash Limitless Power & Reliability
Revive Your Dell Laptop with Outstanding Power & Performance
Is Your Dell Laptop Struggling with Battery Issues?
If your Dell Inspiron 3521, 3542, 3537, or Latitude 3440 laptop is facing unexpected shutdowns, rapid battery drain, or slow charging, it’s time to switch to the Mylap Dell 3521 Battery. Our premium-quality replacement battery ensures your laptop stays powered, productive, and protected.
Built with premium-grade lithium-ion cells, advanced safety features, and extended battery life, the Mylap 3521 Battery ensures your laptop stays powered whether you're working, studying, or streaming.
✅ 100% Compatibility with HP Laptops – No BIOS errors, no compatibility issues.
✅ Premium Li-ion Cells – Ensures stable power output for uninterrupted performance.
✅ Up to 500+ Recharge Cycles – Lasts longer than standard laptop batteries.
✅ Enhanced Safety Features – Overcharge, overheat, and short-circuit protection.
✅ Quick & Easy Installation – Plug-and-play replacement for hassle-free use.
✅ Fast & Free Delivery – Get your battery delivered quickly at no extra cost.
✅ 1-Year Replacement Warranty – Peace of mind with hassle-free replacement.
✅ Cash on Delivery Available – Pay when you receive your order.
✅ Dedicated After-Sales Support – Expert assistance for installation and troubleshooting.
✅ 10-Day Easy Return Policy – Shop with confidence, risk-free!
Next-Generation Power Technology for Maximum Performance
- Extended Battery Backup – Delivers 2.5 to 4 hours of uninterrupted usage for work and entertainment. Battery backup may vary based on usage and settings.
- High-Capacity Power – Ranges from 4000mAh, providing long-lasting energy
- Optimized Voltage & Stability – Operates at 11.1V, ensuring steady performance and preventing sudden shutdowns.
- Premium Li-ion Cells – Built with 6 high-quality lithium-ion cells for efficient and stable power delivery.
- 500+ Charge Cycles – 0-Cycle Technology guarantees full capacity from the first charge, enhancing battery lifespan.
- Advanced Li-ion Technology – Reduces self-discharge, improves power efficiency, and extends overall battery life.
- Fast Charging & Efficient Power Management – Supports quick charging while minimizing power wastage for enhanced productivity.
- Seamless Compatibility & Easy Installation – Perfect fit for HP laptops, ensuring a secure and stable connection without modifications.
Upgrade Your Laptop’s Battery Life!
Don’t let power issues slow you down! Say goodbye to sudden shutdowns, slow charging, and battery drain. The Mylap Dell 3521 Battery is designed to deliver long-lasting backup, rapid charging, and uncompromised performance long-lasting backup and efficient power management.
- More Power – Stay productive for hours without interruptions.
- More Efficiency – Smart energy management for optimal battery life.
- More Reliability – Premium quality cells ensure stable power output.
Your laptop deserves the best—Choose Mylap!
Multi-Layered Safety Protection
Your laptop’s safety is our priority. The Dell 3521 Battery comes with a smart Battery Management System (BMS) to prevent:
✅ Overcharging & Overheating – Extends battery life while keeping your laptop safe.
✅ Short-Circuit Protection – Prevents electrical faults and sudden shutdowns.
✅ Voltage Surge Protection – Ensures consistent power without fluctuations.
✅ Battery Balancing Technology – Enhances overall performance and longevity.
Specification
|
Battery Type: |
Lithium-ion |
|---|---|
|
Capacity |
4000mAh |
|
Voltage |
11.1V |
|
Watt-hour |
44Wh |
|
Cell Configuration |
6 Cells |
|
Overcharge Protection |
Yes |
|
Short-circuit Protection |
Yes |
|
Overheating Protection |
Yes |
|
Intelligent Power Management |
Yes |
|
RoHS Compliance |
Yes |
|
CE & FCC Certified |
Yes |
|
Weight |
410 Grams |
|
Dimensions |
|
|
Color |
Black |
Built for Durability & Daily Reliability
Seamless Compatibility with Dell Laptops
The Mylap Dell 3521 Battery is 100% compatible with:
Dell Inspiron 3521, 3542, 3537, 5421, 5521, 3440, 3421, Latitude 3440, and more.
Fully compatible with Dell battery models: XCMRD, MR90Y, 40Wh XCMRD 14.8V, and more.
Note: Before purchase, check your existing battery model for perfect compatibility!
At Mylap, we don’t just sell batteries – we build lasting relationships.
We understand the importance of reliable support after your purchase. That’s why we offer:
📞 24/7 Customer Assistance – Got questions? Need troubleshooting? We’re always here.
🔄 Hassle-Free Replacements – Our 1-Year Replacement Warranty ensures complete peace of mind.
📦 Easy Returns – Enjoy a 10-day return policy with no stress.
⚡ Fast & Free Shipping – So you get your battery when you need it the most.
🛠 Technical Support from Experts – Get guidance on installation, performance optimization, and care tips.
Mylap’s dedicated after-sales team ensures that your laptop stays powered for years to come. Your trust is our success!
Compatible Part Numbers
|
Part Numbers |
Part Numbers |
Part Numbers |
Part Numbers |
|
|
|
|
|---|
Compatible Model Numbers
|
Model Number |
Model Number |
Model Number |
Model Number |
Dell Inspiron 14 (3421) Battery |
Dell Inspiron 14R (5421) Battery |
Dell Inspiron 14R (5437) Battery |
Dell Inspiron 15 (3521) Battery |
|---|---|---|---|
|
Dell Inspiron 15R (5521) Battery |
Dell Inspiron 15R (5537) Battery |
Dell Inspiron 15 (3537) Battery |
Dell Inspiron 15 (3542) Battery |
|
Dell Inspiron 15 (3531) Battery |
Dell Inspiron 15 (3541) Battery |
Dell Inspiron 17 (3721) Battery |
Dell Inspiron 17R (5721) Battery |
|
Dell Inspiron 17R (5737) Battery |
Dell Inspiron 17 (3737) Battery |
Dell Inspiron 17 (5748) Battery |
Dell Inspiron 17 (5749) Battery |
|
Dell Latitude 3440 Battery |
Dell Latitude 3540 Battery |
Dell Vostro 2421 Battery |
Dell Vostro 2521 Battery |
|
Dell Inspiron 15 (3543) Battery |
Order now and experience the difference!
Enjoy 1-Year Replacement Warranty, 10-Day Easy Return, Free & Fast Delivery, and 24/7 Dedicated After-Sales Support!
| Weight | 0.410 kg |
|---|---|
| Dimensions | 2.6 × 5.7 × 27.2 cm |
| Compatible With Brand |
Dell Laptop Battery |
1 review for MYLAP Laptop Battery for Dell Inspiron 3521, XCMRD, 3542, 15 3537, 15R 5521, 15R 5537, 15 3542, 3543, Latitude 3440, 3540, E3440 – Type MR90Y, P28F, P40F – 6 Cell
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Original price was: ₹2,999.00.₹1,499.00Current price is: ₹1,499.00.count
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Original price was: ₹2,999.00.₹1,299.00Current price is: ₹1,299.00.count
Original price was: ₹2,999.00.₹1,299.00Current price is: ₹1,299.00.count
Original price was: ₹2,999.00.₹1,299.00Current price is: ₹1,299.00.count
Verified owner Upender Rao (verified owner) –
I purchased for my laptop dell 3542 model, within 5dwys I received the item, and installed in laptop, working fine, the battery working properly as per their specifications, my laptop now working more than 3hrs. Which is acceptable for me. The support from my lappy team is very nice. They follow-up very good. After sales also they call us and asking about the product performance, I read somany positive reviews about this my lappy brand, all those feedbacks are very positive, Even I also got call from them reg performance of the battery, which is really appreciated. I advise all those who wants to purchase the laptop battery first contact them, and explain your issue. So that they suggest you best option, I did the same. They suggested perfect battery, now I feel very very happy. My laptop again started working perfectly. Many more Thanks to my lappy team. 🙏