Dell D630 Cmos Battery
937868
Replacement for my old D630, works direct fit.
3805188
The firmware in my Vostro V13 (BIOS version A02) rejected this battery as a non-Dell-compatible. I have since tried a real "Dell" brand battery from another Vostro V13, which works, so the problem was the battery, not the laptop. I tried this battery in another laptop, which also failed to recognize it as Dell-compatible.
43414
I immediately installed and charged up this battery for my Dell laptop and I am very satisfied with the results.
1488600
I used this battery to replace a 2-3 year old battery in my work lappy (Dell Lat' 630) and get ~ 3.5-4 hrs between charges.  Cannot complain a bit especially considering the cost!
2153582
Battery arrived in good shape.  But the e5440 does not recognize it.  Tested it among 6 units. 1 with bad battery 5 with good ones, all report that same in the BIOS.  I would recommend not using this one for a dell replacement.
370318
I purchased this battery as the reviews on this item was better than the Dell brand.  I am not disappointed.  The battery arrived with a 67% charge.  I have fully charged and allowed the battery to discharge several times. When fully charged, I have over 9 hours of battery life. I have turned off my laptop and unplugged the laptop from the outlet and the next day the battery has held the full charge.
1588350
Works just like the high priced Dell batteries!  Working on battery alone, just lasts a couple hours, but that is as long as the Dell battery lasted.
3997106
After using this battery in my laptop for 4 months, I am very happy with it!  It fits into my Dell computer nice and securely.  It powers the laptop noticeably longer than the original.  It is a terrific value compared to Dell's prices.
3859471
Performing as I expected--last longer than original DELL battery.  Good value.
1859575
Bought this not sure what to expect for the cheap price compared to Dell's batteries, it snapped right in and had 49% charged already. Let it get a full charge and now at full charge it usually last 3.5 to 4 hrs. Had it for about 2 weeks with no problems what so ever.
2397613
This battery is an aftermarket battery (not original Dell).  New battery from last about 3 1/2 hours on my laptop, this battery last about 1:45 minutes brand new and fully charged so you will know what you are buying.
4916661
When Dell did not offer a battery for my Dell laptop, I went shopping. I have never really had great success with non-Dell batteries but in this case it appears to be a outstanding purchase.  My Dell battery lasted for 5 years, time will tell if I have the same success but for now I am satisfied with my purchase.
3771098
I bought this 9 cell battery in hope that it will provide me 3-4 hours of life to my laptop. My original 6 cell Dell battery provides 3 hours of life when new and I was expecting the same with this one. To the pleasant surprise of mine, this battery pack keep my laptop alive for as long as 6.5 hours. It is almost 3 months since I am using it. Very satisfied with this.
634514
Battery fits fine and seems a great replacement for the battery on the card.

I have other issues..... perhaps with Bios, but at least I have confidence that it is not caused by a battery issue.
4028019
This replacement battery perfectly replaced the original Dell battery, which had quit being recognized by the charging system (I'm an electronics guy, so took apart the old Dell battery to see about replacing a blown cell, turns out all 6 cells were fine, it was a problem with the circuit-board, so I had to order the replacement).

This replacement battery charges up fine, and seems to get right around 4-hours of life.  Mind you this is running Ubuntu 18.04 LTS, not Windows -- Not sure how the Windows life would end up... while the OS has more power-saving features, it also has a lot more going on (the reason I had to switch to Ubuntu on this old laptop.  Old meaning 1st-generation i3 CPU at 2.1GHz, 4GB RAM, 250GB 5400 RPM drive). Windows 10 was unusable on this hardware, but with Ubuntu, the Chrome browser, and LibreOffice, it's perfectly usable (General student use: office-apps, Google Docs, web research, youtube, and Netflix).
1311336
Worked great with my Dell Inspiron.... Dell Bios recognized it... charges fine.
2753757
The battery fit in my laptop and I assume worked fine in my Dell pc for 2.5 months.  However I unplugged my laptop and the pc just died.  The battery had no charge and now my Dell pc won't recognize it.  I don't know if it every charged because I didn't use it unplugged.