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6700mah/72wh (LG CELL)/6 Cells Dell MR90Y Laptop Battery for Dell Inspiron 3421 5421 15-3521 5521 3721

Any questions please contact us freely

Your order will be dispatched within 48 hours.

£ 71.70£ 103.75

Condition :Replacement, Brand New

Item Code :DEL19M479

Brand:Dell

Battery Type:Li-ion

Battery Voltage:11.1 V

Battery Capacity:6700mah/72wh (LG CELL)/6 Cells

Part No:MR90Y

Availability:IN STOCK!

Dell Laptop Battery MR90Y Features:

•Free Shipping – Free shipping on every order with no minimums.
•30-Day Returns – Not satisfied? Return it within 30 days.
•Guaranteed Compatibility – We guarantee this item is fully compatible with your setup.
•1-Year Warranty – Comes with a reliable 1-year warranty for your total confidence.

Condition:	Replacement, Brand New
Category:	Laptop Battery
Compliance Standards:	CE ROHS MSDS
Brand:	for Dell
Battery Type:	Li-ion
Battery Voltage :	11.1 V
Battery Capacity :	6700mah/72wh (LG CELL)/6 Cells
Warranty:	12 months

*Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.

Compatible Part Numbers:

Compatible Model Numbers:

Dell Inspiron 14 Series
Dell Inspiron 14-3421 Series
Dell Inspiron 14-3437 Series
Dell Inspiron 14-5421 Series
Dell Inspiron 14-N3421 Series
Dell Inspiron 14-N5421 Series
Dell Inspiron 14R Series
Dell Inspiron 14R-3421 Series
Dell Inspiron 14R-5437 Series
Dell Inspiron 15 Series
Dell Inspiron 15-3521 Series
Dell Inspiron 15-3537 Series
Dell Inspiron 15R Series
Dell Inspiron 15R-5521 Series
Dell Inspiron 15R-5537 Series
Dell Inspiron 15R-N3521 Series
Dell Inspiron 15R-N5521 Series
Dell Inspiron 15R-N5537 Series
Dell Inspiron 17 Series
Dell Inspiron 17-3721 Series
Dell Inspiron 17-3737 Series
Dell Inspiron 17R Series
Dell Inspiron 17R-5737 Series
Dell Inspiron 17R-N3721 Series
Dell Inspiron 17R-N3737 Series
Dell Inspiron 17R-N5721 Series
Dell Inspiron 17R-N5737 Series
Dell Latitude 14 3000 Series
Dell Latitude 15 3000 Series
Dell Latitude 3440 Series
Dell Latitude 3540 Series
Dell Latitude E3440 Series
Dell Latitude E3540 Series
Dell Vostro 2421 Series
Dell Vostro 2521 Series

Product Feature:

Premium Core: Equipped with genuine Grade A cells for superior stability and high performance.

Durable Cycle Life: Rated for 500–800 charge/discharge cycles for long-term use.

Guaranteed Compatibility: Fully compatible with original Dell MR90Y specifications and devices.

Comprehensive Safety: Built-in over-charge, over-current, over-voltage, and short-circuit protection.

Advanced Engineering: Utilizes cutting-edge PCB technology for safe and consistent power delivery.

Certified Quality: CE, ROHS, and MSDS certified to meet international standards.

Our Promise to You:

100% Brand New Product.

30-Day Money-Back Guarantee.

1-Year Warranty.

100% Secure Shopping Guarantee.

Follow the notice below, Better using your Dell MR90Y Laptop Battery

Storage - Store your Dell MR90Y Laptop Battery in a clean, dry, cool place away from heat and metal objects. The Dell MR90Y batteries will self-discharge during storage; remember stored at about 40% state-of-charge.
Charge and discharge - For lithium ion batteries, you do not need to discharge them fully and recharge constantly. You need to do a full discharge only about every 30 charges. Do not charged to higher voltages than its threshold voltage.
Exercise Your MR90Y Battery - Do not leave your batteries dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a battery has not been used for a long period of time, perform the new battery break in procedure described above.
Calibrate Your batteries - If your Battery's 76% even less in work , you must fully charge, fully discharge, and then fully recharge the Laptop Battery pack.
Consider removing the Dell Inspiron 3421 5421 15-3521 5521 3721 battery replacement from a laptop when running on fixed power.
Do not short-circuit. A short-circuit may cause severe damage to the battery.
Avoid propping your laptop on a pillow, blanket, or other soft surface that can heat up. Your Dell Inspiron 3421 5421 15-3521 5521 3721 battery is a lot less efficient when not within its standard operating temperature range.
Attention:
the capacity is low in current,CPU will be in electricity-saving model and battery can not be charged.In this case,take off the battery and fit on to rouse the CPU. The Dell MR90Y battery can be charged then.
Remove the battery when don't use if for long time,or the currency will be lost and the cell will be damaged.
Recharge the battery as the circle more than once per month to make the management of capacity reach its best status, and prolong Dell Inspiron 3421 5421 15-3521 5521 3721 battery replacement useful life.

Shipment Methods

Currently, all of our shipments are through Priority Mail (EMS USPS),if you are dealer,you can selected others .We can not offer Overnight (UPS Red) and 2nd Day Delivery (UPS Blue) .

Shipping & Handling

Free Shipping on All Orders!

Your order will be dispatched within 48 hours.

Estimated Delivery Time:7 - 15 Business Days

It is very easy for you to check the status of your order and locate the package during transit, as an email with a tracking number will be sent to your email address after your order has been shipped out. Tracking number will be emailed to buyer once your ordered item is shipped out.

Shipping rates: Our rates include the expenses of shipping, handling and the high quality packaging.

Attention: Priority mail will be used for all PO Box shipping addresses ,But All APO's and military addresses do not apply here. Please use standard shipping for these. Thank you.

Payment Methods

Q: How to check this battery is compatible with my laptop?

A: Please find out your old battery's part number or the exact model name of your laptop at first (like 'Dell Inspiron 3421 5421 15-3521 5521 3721'), then to match our product compatibility chart. Second please compare your old battery to our product images ensure their shape is same. Finally check the voltage(Rating) is same to your old battery's. More details please click How to find one correct battery for my laptop?

Q: Does your replacement Dell MR90Y battery compatibles with my original Dell MR90Y battery?

A: 100% OEM compatible, guaranteed to meet the specifications of your original Dell MR90Y battery (ensue same size & high quality). And all our replacement Dell MR90Y batteries have obtained international certification( CE, UL, ROHS, ISO9001/9002 ).

Q: How to charge a new battery for Asus Rog B551 for the first time use?

A: New Dell MR90Y battery pack is normally shipped in its partially charged condition. Please cycle your new Dell MR90Y battery pack by fully charge and discharge it for 3-5 times to allow it to reach its maximum rated capacity before use.