1. Choosing to purchase a battery not only depends on the laptop model, but also on your battery model.

It's best to compare your original battery with ours.

2.Before placing an order, please check your address. Be sure to fill in the correct and detailed address and phone number

3.Will usually ship within 48 hours of receiving cleared payment.The shipping time is about 10-20 business days.

(If you urgently use it, we do not recommend purchasing it)

4.If something goes wrong, please email me.Our customer service will reply to you within 48 hours

(there is a time difference between us, weekends are not business days)

Specification:

Battery Type: Li-ion

Voltage:14.8V

Capacity: 40WH

Cells: 4-Cell

Compatible With Part With Models:

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

Safety:

UL/CE-/FCC-/RoHS certified

Overload protection

Over-current protection

Over-voltage protection

High voltage protection

Short circuit protection

Over-temperature protection

How to check your laptop model?

Method 1: Use System Information to find your laptop model

1.Press Windows + R

2. Type "msinfo32", then click OK

3.Find "System Model" in the pop-up window

Method 2: Remove Battery from Laptop to find your laptop battery part number

What do we need to pay attention to using batteries for the first time?

1.Charge the battery for more than 8 hours before first use

2.You need to turn off your laptop and disconnect the power when you install a new battery

2.Do Discharge the new battery use to 5%/7%(not to 0%) and then charge to 95%, and cycle 3-4 times

How should I do if the battery is not recognised?

1. It is recommended to update the BIOS settings

2. Reinstall, please make sure that the connector of the battery has been inserted into the system board correctly and tightly

IF "the item doesn't work"?

Firstly, please send us an email to let us know

We can send you a replacement or refund

IF"Item is not received"

Firstly, please send us an email to let us know

Very few packages cannot be delivered on time due to bad weather conditions and uncontrollable factors.
(If your package delivery fails, we will refund or send you a replacement)

Tips

The battery is being used for the first time and the battery level display is inaccurate

Usually, after a few cycles of use, the battery level display will return to normal.