Hero image 0 of MR90Y Laptop Battery for Dell Inspiron 14 14R 15 15R 17 17R Series 3421 5437 3521 3531 3537 3542 5521 5537 3721 3737 5727 5737 Latitude 14 3000 15 3000 Series 3440 3540 E3440 E3540 Vostro 2421 2521, 0 of 8
MR90Y Laptop Battery for Dell Inspiron 14 14R 15 15R 17 17R Series 3421 5437 3521 3531 3537 3542 5521 5537 3721 3737 5727 5737 Latitude 14 3000 15 3000 Series 3440 3540 E3440 E3540 Vostro 2421 2521
Key item features
- Broad Compatibility: Designed for Dell Inspiron 14, 15, 17 series, Latitude 14 3000, 15 3000 series, and Vostro 2421, 2521 notebooks.
- Advanced Safety: Features built-in circuit protection against overheating, overcurrent, overvoltage, and overcharging for enhanced safety and stability.
- Efficient Performance: Utilizes Grade A cells for high capacity and a smart chip for low power consumption, enabling quicker charging.
- Reliable Power: A Li-ion battery with 65Wh capacity and 11.1V output, ensuring consistent power delivery.
- Smart Technology: Incorporates a high-quality smart chip for steady output and efficient charging, with approximately 500 recharge cycles.
- Optimal Design: Manufactured with Grade A cells to ensure low power consumption and a design that matches original battery dimensions.
Generated by AI
Specs
- Volts11.1 V
- Battery capacity65 Ah
- Works withDell Laptop Notebook PC
- BrandNATNO
- CompatibilityDell
- Model nameMR90Y
Current price is USD$27.90
Price when purchased online
- Free shipping
Free 30-day returns
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Arrives between Jun 26 - Jul 2
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Sold and shipped by BESTDEAL STORE
4.134751773049645 stars out of 5, based on 282 seller reviews(4.1)282 seller reviews
Free 30-day returns
About this item
Product details
NATNO Grade A Cell Battery Specification:
*100% Brand Replacement New Grade A Cell Battery
*Battery Type: Li-ion
*Battery Capacity: 65Wh
*Battery Output: 11.1V
*Battery Color: Black
Compatible with DELL P/N:
0MF69 49VTP 4WY7C 6K73M 68DTP 6KP1N 8RT13 8TT5W 24DRM 4DMNG 6HY59 6XH00 9K1VP
MR90Y T1G4M VR7HM XCMRD FW1MN MK1R0 PVJ7J V8VNT X29KD YGMTN G019Y
312-1387 312-1433 312-1392 312-1390 DJ9W6 G35K4 N121Y V1YJ7 W6XNM XRDW2
Compatible with DELL Laptop Models:
Dell Inspiron 14 14R 15 15R 17 17R Series:
14-3421 14-N3421 14-3437 14-N5421 14R-3421 14R-5421 14R-5437
15-3521 15-3531 15-3537 15-3541 15-3542 15-3543 15-3878 15-5521 15-5566 15R-5521 15R-N5521 15R-5537
17-3721 17-3737 17-N3721 17R-N3737 17R-5721 17R-N5721 17R-5727 17R-5737 17R-N5737
Dell Latitude 14 3000 Series
Dell Latitude 15 3000 Series
Dell Latitude 3440 3540
Dell Latitude E3440 E3540
Dell Vostro 2421 2521
Product Description
Smart Chip: NATNO replacement battery has high quality chip, which offers steady output and charging quickly.
High Performance: The Grade A cells of the battery ensure low power consumption. About 500 recharge cycles over the life of battery if using properly.
High Quality: NATNO battery have exact same size as original batteries. The battery has no memory effect, which can prolong the battery life.
Install A New Battery Guide
1. First, turn off the laptop and disconnect the power.
2. On the back of the laptop, move the old battery latch to the unlocked position.
3. The old battery is then pulled out to the outside of the fuselage, and the new battery is placed in the battery slot and locked. Be careful not to install the battery inside out.
4. If you don't understand the above steps, please search for the video about laptop battery installation on YouTube. Maybe it will help you.
****Friendly Reminder****
For optimal performance, please calibrate your newly installed battery:
1. Discharge the new battery use to 5% and then charge to 95%, and cycle 3-4 times.
2. When charging, first install the battery, then turn on the power. When fully charged, first cut off the power, then pull the power plug.
3. Do not always run out of a battery to 0%, this would make it damaged or usage life shortened.
4. Please store the unused battery fully charged.(Charge it once a month) Do not store at low power to prevent reduce the lifespan of a battery
5. Please keep battery away from flame or water.
6. When using the battery, care should be taken to prevent exposure and moisture.
Package Includes: 1 x Replacement Battery
Warranty: 30 Days Money Back Guarantee, 6 Months Exchange.
*100% Brand Replacement New Grade A Cell Battery
*Battery Type: Li-ion
*Battery Capacity: 65Wh
*Battery Output: 11.1V
*Battery Color: Black
Compatible with DELL P/N:
0MF69 49VTP 4WY7C 6K73M 68DTP 6KP1N 8RT13 8TT5W 24DRM 4DMNG 6HY59 6XH00 9K1VP
MR90Y T1G4M VR7HM XCMRD FW1MN MK1R0 PVJ7J V8VNT X29KD YGMTN G019Y
312-1387 312-1433 312-1392 312-1390 DJ9W6 G35K4 N121Y V1YJ7 W6XNM XRDW2
Compatible with DELL Laptop Models:
Dell Inspiron 14 14R 15 15R 17 17R Series:
14-3421 14-N3421 14-3437 14-N5421 14R-3421 14R-5421 14R-5437
15-3521 15-3531 15-3537 15-3541 15-3542 15-3543 15-3878 15-5521 15-5566 15R-5521 15R-N5521 15R-5537
17-3721 17-3737 17-N3721 17R-N3737 17R-5721 17R-N5721 17R-5727 17R-5737 17R-N5737
Dell Latitude 14 3000 Series
Dell Latitude 15 3000 Series
Dell Latitude 3440 3540
Dell Latitude E3440 E3540
Dell Vostro 2421 2521
Product Description
Smart Chip: NATNO replacement battery has high quality chip, which offers steady output and charging quickly.
High Performance: The Grade A cells of the battery ensure low power consumption. About 500 recharge cycles over the life of battery if using properly.
High Quality: NATNO battery have exact same size as original batteries. The battery has no memory effect, which can prolong the battery life.
Install A New Battery Guide
1. First, turn off the laptop and disconnect the power.
2. On the back of the laptop, move the old battery latch to the unlocked position.
3. The old battery is then pulled out to the outside of the fuselage, and the new battery is placed in the battery slot and locked. Be careful not to install the battery inside out.
4. If you don't understand the above steps, please search for the video about laptop battery installation on YouTube. Maybe it will help you.
****Friendly Reminder****
For optimal performance, please calibrate your newly installed battery:
1. Discharge the new battery use to 5% and then charge to 95%, and cycle 3-4 times.
2. When charging, first install the battery, then turn on the power. When fully charged, first cut off the power, then pull the power plug.
3. Do not always run out of a battery to 0%, this would make it damaged or usage life shortened.
4. Please store the unused battery fully charged.(Charge it once a month) Do not store at low power to prevent reduce the lifespan of a battery
5. Please keep battery away from flame or water.
6. When using the battery, care should be taken to prevent exposure and moisture.
Package Includes: 1 x Replacement Battery
Warranty: 30 Days Money Back Guarantee, 6 Months Exchange.
- 6 Months Replacement Exchange--If you are not satisfied with our product for any reason, just let us know.
- Safety Charging--NATNO Grade A Cell Battery is identify over heat, over current, over voltage, over charging protection. Built-in circuit protection ensures both safety and stability.
- Quicker Charging--Grade A cells ensure high capacity and smart chip ensure low power consumption, which offers quicker charging.
- Perfect Fit--Designed for Dell Inspiron 14 14R Series, Inspiron 15 15R Series, Inspiron 17 17R Series, Latitude 14 3000 Series, Latitude 15 3000 Series, Latitude 3440 3540 E3440 E3540, Vostro 2421 2521 Notebook.
info:
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Specifications
Volts
11.1 V
Battery capacity
65 Ah
Works with
Dell Laptop Notebook PC
Brand
NATNO
Warranty
Warranty information
30 days money back & 6 Months replacement warranty
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Ingestion Hazard
This product contains a battery. Death or serious injury can occur if ingested. A swallowed battery can cause Internal Chemical Burn in as little as 2 hours. Keep new and used batteries OUT OF REACH OF CHILDREN. Seek Immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.
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Showing 1-2 of 2 reviews
Mar 12, 2026
Qinglin
5 out of 5 stars review
Verified Purchase
Good.
I ordered this product with blue label but they sent me the black one. These two battery have the same price. I tried the battery and found that it works well and can keep using for 2 -3 hours. In one word, it's a good experience.
Helpful?27V1OHMLDGIF3517714101
reply from NATNO
Hello Qinglin! Thank you very much for your recognition and support! We have been committed to providing high quality goods and excellent service, your satisfaction is our biggest driving force. Wish you a happy life
Jun 5, 2025
DOUG
1 out of 5 stars review
Verified Purchase
fit computer but would not charge
While the battery fit the enclosure perfectly, it would not charge.
Helpful?27V1OHMLDGIF3517714101
