Question Is this battery compatible with my Dell laptop ?

[Lpto]

Laptop make/model: Dell Latitude 3520

After the battery was replaced by the computer technician, I wanted to check it using AIDA64:

Property	Value
Battery Device Name	DELL FH3K213
Manufacturer	SWD-ATL3.660
Serial Number	45
Identifier	45SWD-ATL3.660DELL FH3K213
Nominal Capacity	37620 mWh
Full Charge Capacity	37620 mWh
Battery Voltage	10.916 V
Battery Type	Rechargeable Li-Ion

Is this battery compatible with this laptop model? The computer technician mentioned installing a 41 Wh battery, but it shows 37.6 Wh in practice. I also couldn't find any information about the manufacturer 'SWD-ATL3.660.' My guess is that the '.660' in the name might suggest these batteries were originally intended for Dell Inspire 660 laptops.

Could using this battery cause any negative effects on the laptop? Apologies for the somewhat basic question, I'm trying to understand this for the first time

 

[ex_bubblehead]

Unless the battery was sourced directly from Dell then there is absolutely no way to know.

 

[Misgar]

Is this battery compatible with this laptop model?

Did the technician fit a genuine Dell battery costing a lot of money (over $100), or a third-party "clone" battery costing far less ($30), excluding fitting charge?

With a third-party battery, you run the risk of it catching fire during charging, but OEM batteries aren't entirely immune from this fault either.

Probably not a good idea to leave the laptop unattended during charging and place it on a metal surface in case it does emit flames.

The cells used in the construction of batteries come with slight differences in the maximum capacity, which may account for the slight reduction from 41 to 37.6Wh.

I wouldn't be concerned about a few Wh less, it just means the laptop won't last as long on battery power.