Techie compatible for Dell Inspiron 15 3521 , Inspiron 17R 5721, Latitude 3440, Vostro 3445 laptop battery (6 Cell).

(13 customer reviews)

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Techie compatible for Dell Inspiron 15 3521 , Inspiron 17R 5721, Latitude 3440, Vostro 3445 laptop battery (6 Cell).

(13 customer reviews)


SKU 3521 / 5421 6C Categories ,

Battery Rating:

  • Capacity: 4000mAh, Cell: 6, Voltage: 11.1 V.
  • Warranty Details: 1 Year Warranty.
  • In Box : 1 Laptop Battery.
  • Techie Laptop Batteries and Adapters are BIS Approved.
  • Highly Quality, safe and Compatible for your Laptop at very reasonable price.

Return : 15 Days

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with COD & reliable return policy

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15-days easy replacement & refund


Techie compatible for Dell Inspiron 15 3521, Inspiron 17R 5721, Latitude 3440, Vostro 3445 laptop battery.

Battery Ratings: Li-ion, Capacity: 4000mAh, Cell: 6, Voltage: 11.1 V

Compatible part numbers (p/ns):

  • Dell 0MF69
  • Dell 24DRM
  • Dell 312-1387
  • Dell 312-1390
  • Dell 312-1392
  • Dell 312-1433
  • Dell 49VTP
  • Dell 4DMNG
  • Dell 4WY7C
  • Dell 68DTP
  • Dell 6HY59
  • Dell 6K73M
  • Dell 6KP1N
  • Dell 6XH00
  • Dell 8RT13
  • Dell 8TT5W
  • Dell 9K1VP
  • Dell DJ9W6
  • Dell FW1MN
  • Dell G019Y
  • Dell G35K4
  • Dell MK1R0
  • Dell MR90Y
  • Dell N121Y
  • Dell PVJ7J
  • Dell T1G4M
  • Dell V1YJ7
  • Dell VR7HM
  • Dell W6XNM
  • Dell X29KD
  • Dell XRDW2
  • Dell YGMTN
  • Dell V8VNT
  • Dell XCMRD

Compatible Laptop Model:

  • Dell Inspiron 14 3421
  • Dell Inspiron 14R 5421
  • Dell Inspiron 15 3521
  • Dell Inspiron 15R 5521
  • Dell Inspiron 17 3721
  • Dell Inspiron 17R 5721
  • Dell Latitude 2421
  • Dell Latitude 2521
  • Dell Latitude 3440
  • Dell Latitude 3540
  • Dell Latitude 3721
  • Dell Latitude 3737
  • Dell Latitude 5437
  • Dell Latitude 5537
  • Dell Latitude 5737
  • Dell Vostro 2421
  • Dell Vostro 2521
  • Dell Vostro 3445
  • Dell Vostro 3446
  • Dell Vostro 3546
  • Dell Inspiron 15-3251
  • Dell Inspiron 3442
  • Dell Inspiron 15 3542
  • Dell inspirion 15 3543

NOTE: Please check above battery part number (P/N) from the label of existing battery. If your laptop’s battery part number is not listed here, feel free to contact us at 8088242424 our team will help you to decide which battery will be suitable for your laptop.

Additional information






Reviews (13)

13 reviews for Techie compatible for Dell Inspiron 15 3521 , Inspiron 17R 5721, Latitude 3440, Vostro 3445 laptop battery (6 Cell).

Based on 13 reviews
5 star
4 star
3 star
2 star
1 star
  1. Anonymous (verified owner)


  2. SHANKAR P. (verified owner)

    Super good quality product .

  3. Naveen Kumar J (verified owner)

    On-time delivery and Good product. Initial charge is coming around 2 hrs.

  4. Anonymous (verified owner)

    Good Product

  5. Luis (verified owner)

    After fully charging the battery, so far used for three hours and battery level showing 71%. I hope it gives me good service like the original Dell battery gave me for nearly 4 years. Excellent service and follow up from Techie.

  6. Dipeesh A (verified owner)

    Very good

  7. Anonymous (verified owner)

    Good 👍

  8. Sujit Nandi (verified owner)

    Previously I used same product. This is really nice one. Hope this time also Will get same experience…

  9. Sanal (verified owner)

    Really good service and received the product on time. I have bought battery for my laptop and looks good so far. Long term usability need to be tested though

  10. Chandrakumar Potti (verified owner)

    It is very good.

  11. Sarbeswar Sahoo (verified owner)

    Very prompt service and was packed very well.I am using the battery since last one week and there is no problem in charging and it last around 2 hours.

  12. Vishal M (verified owner)

    Faster delivery than Amazon and flipkart. Got the battery in 2 days. Free delivery. The laptop battery is in use for a week and no issues yet.

  13. Anonymous (verified owner)

    The Battery is perfectly fitted for my Dell latitude laptop and talking about backup it gives me around 2.5 to 2.7 which is quite good. Overall Great Experience delivery is also on time and mainly perfectly packaged.

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Frequently Asked Questions

Techie tries to ship your orders on the same day. After the order is confirmed the tracking link is sent on the registered email which includes the live location of the package and the estimate delivery time.


Your satisfaction is guaranteed when you order from Techie! If you decide not to use a product or find an issue in products, simply generate a return/replacement request within 15 days of delivery to get a replacement or refund.


We offer multiple online payment methods, including:

1. Credit Card and Debit Card
2. Net Banking
3. Wallet (Paytm, Phone pe, Mobikwik, FreeCharge, Airtel Money, Ola Money, Jio Money, and PayZapp)
4. UPI
5. PayLater (ePayLater)
6. Cash on Delivery 

We do offer cash on delivery with extra COD fees of Rs.100 (Non-Refundable*)

Techie warrants our products against defects in materials and working for the warranty period from the date of purchase. The warranty period is for 1-year on laptop battery, laptop charger, barcode and power bank.


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Techie compatible for Dell Inspiron 15 3521 , Inspiron 17R 5721, Latitude 3440, Vostro 3445 laptop battery (6 Cell).


Return : 15 Days

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