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🔋 Power your Dell like a pro — never miss a BIOS beat!
The LeFix CR1220 CMOS RTC BIOS battery is a brand-new, high-quality lithium manganese dioxide replacement designed for Dell XPS 13/15 and Precision laptops. Featuring a 14.8V output and a slim 2-pin thin connector, it ensures reliable BIOS power with easy installation. Tested for quality and durability, this lightweight battery guarantees your system clock and BIOS settings stay accurate, keeping your laptop running smoothly.





| ASIN | B082G35D4R |
| Antenna Location | Laptop |
| Battery Cell Composition | Lithium Manganese Dioxide |
| Battery Cell Type | Lithium Manganese Dioxide |
| Battery Weight | 4 g |
| Best Sellers Rank | #34,630 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #2,337 in Laptop Batteries |
| Brand | LeFix |
| Compatible Phone Models | For dell XPS 15 |
| Customer Reviews | 4.2 out of 5 stars 61 Reviews |
| Included Components | Battery |
| Item Dimensions | 1.57 x 0.47 x 0.08 inches |
| Manufacturer | LeFix |
| Model Name | cr1220 |
| Number of Batteries | 1 CR2 batteries required. (included) |
| Recommended Uses For Product | Laptop |
| Reusability | Single Use |
| UPC | 655160982323 |
| Voltage | 14.8 volts |
S**E
Worked as Expected for Dell XPS
Purchased as a replacement for the factory CMOS battery in my Dell XPS 13 9370. It has worked as expected since I installed it two months ago. My only complaint is that the wiring harness is slightly long, but that varies upon your laptop.
A**R
Worked perfectly
Cable is not as long as it looks in the picture, but still longer than the original battery cable. Replaced it without issue and comes with adhesive like the original battery.
A**I
Cable lead is a bit longer than OEM
Works as intended as a replacement for the dead cmos I have on my 9560 XPS 15. However the cable is a bit longer than the OEM cable so you might need to get creative with cable management inside the laptop to make it fit.
G**K
An Odd but Necessary Item
If you don't know what a CMOS battery is, that's because you've been fortunate to have not needed on yet. If you do need a CMOS, you know that the web is full of pages to change yours. Generally speaking, changing this battery is not hard and most people can handle one. This one makes it super easy because of its quality and design. I highly recommend.
M**E
Doesn't work on my Dell XPS 15 9560
The original CMOS battery in my Dell XPS 15 9560 was failing and wouldn't load my OS. I could get into my BIOS but not my desktop, so I got this replacement battery as it was recommended to me that the issue was my existing CMOS battery was failing. I replaced the battery with this new one and my laptop wouldn't even turn on. I reopened the case to ensure everything was reconnected properly and tried again, but still nothing. I put the original CMOS battery back in, and my laptop still turned back on with the original Dell battery in BIOS mode. This one was garbage for my machine and didnt work. I've started a return.
B**A
Does exactly what it is supposed to
I used this to replace the CMOS battery on a 2018 Dell XPS 13 9365 All-in-One folding laptop. The cable is slightly longer than the OEM, but this was not really an issue. The replacement was very easy.
K**T
Works great with Dell XPS 9570
Worked flawlessly with XPS 9570, and the cable got tucked easily with no issues.
K**G
Works as intended
Used to fix a dead laptop. works as intended.
A**M
No es compatible con msi gp75 leopard
Si la necesitas para un msi gp75 leopard no es compatible, saca la que tienes corta el termoretractil y cambia la pila por una CR1220 estándar le metes termoretractil otra vez y andando. MSI no vende remplazos, te hacen mandarlo a reparar. La pila en si esta OK.
T**A
It worked, thanks, read on.
I took a chance and bought this when my laptop went dead. Good job, after fitting this and clearing the BIOS properly it all came to life again. And... Very good value for money...
T**M
So far so good
Purchased this CMOS battery when my Dell Precision 5510 laptop would no longer boot. Took One-Day shipping and the item arrived in less than 24 hours! I installed the new battery and I am relieved that my laptop now boots perfectly. The only difference between this battery and the original one is that the cables are longer so you need to cram them in a small space but it's not difficult. Very happy with my purchase so far. I don't know how long this battery will last but so far it works perfectly.
H**E
RV
délais respecte et matériel conforme
P**Y
UPDATE: Failed after several months
UPDATE (October 2023): Failed after several months. While I was pretty happy initially that the CMOS Battery was going to resolve the problems I'd experienced, the thing went and failed when I needed the laptop the most. As an indie game developer trying to get a product out for the October Halloween season - this sucks. The original shipment took 3 weeks, which is what was advertised when I purchased it. In all honestly, the thing started to give up in September and I have been limping with the system charging the battery for an hour before booting up successfully for a few weeks while it struggled to maintain the previous night's full charge (left plugged in for several hours) - and now (early October) it is dead. Wouldn't but again.
Trustpilot
1 month ago
1 month ago