--- product_id: 210561724 title: "LeFix Replacement Compatible with CMOS RTC BIOS Battery CR1220 Dell XPS15 XPS 15 9550 9560 Precision 5510 7350|Latitude 12 7275 Yellow Color" brand: "lefix" price: "£8.45" currency: GBP in_stock: true reviews_count: 13 category: "Le Fix" url: https://www.desertcart.co.uk/products/210561724-lefix-replacement-compatible-with-cmos-rtc-bios-battery-cr1220-dell store_origin: GB region: United Kingdom --- # Precision 2-pin thin connector Ultra-light 4g battery weight 14.8V Lithium Manganese Dioxide power LeFix Replacement Compatible with CMOS RTC BIOS Battery CR1220 Dell XPS15 XPS 15 9550 9560 Precision 5510 7350|Latitude 12 7275 Yellow Color **Brand:** lefix **Price:** £8.45 **Availability:** ✅ In Stock ## Summary > 🔋 Power your Dell with precision and style—never miss a BIOS beat! ## Quick Answers - **What is this?** LeFix Replacement Compatible with CMOS RTC BIOS Battery CR1220 Dell XPS15 XPS 15 9550 9560 Precision 5510 7350|Latitude 12 7275 Yellow Color by lefix - **How much does it cost?** £8.45 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/210561724-lefix-replacement-compatible-with-cmos-rtc-bios-battery-cr1220-dell) ## Best For - lefix enthusiasts ## Why This Product - Trusted lefix brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Tested for Trust:** Each battery undergoes rigorous testing before shipping—confidence in every pack. - • **Light as Air Power:** Weighs only 4 grams, adding zero bulk while delivering reliable RTC BIOS backup. - • **Plug & Play Precision:** Unique 2-pin thin connector ensures easy installation without the hassle of standard cables. - • **Vibrant Yellow Design:** Distinctive yellow color for quick identification and a touch of style inside your laptop. - • **Seamless Dell Compatibility:** Specifically engineered for Dell XPS 13/15 & Precision series for flawless BIOS performance. ## Overview The LeFix CR1220 CMOS RTC BIOS Battery is a high-quality, lithium manganese dioxide replacement battery designed for Dell XPS 13/15 and Precision laptops. Featuring a unique 2-pin thin connector and ultra-light 4g weight, it ensures easy installation and reliable BIOS power backup. Each unit is tested before shipping, offering a trusted, vibrant yellow solution to keep your laptop’s clock and settings perfectly maintained. ## Description Product description LeFix,the Leading Supplier of CMOS Batteries at desertcart The CMOS battery Powers the BIOS Firmware in Your Laptop How do I know My CMOS Battery Failed? Here are the CMOS battery failure symptoms The laptop has difficult booting up There’s a constant beeping noise from the motherboard The date and time have reset Peripherals aren’t responsive or they don’t respond correctly Hardware drivers have disappeared You can’t connect to the internet When your CMOS battery fails, your BIOS firmware will shut down and revert to its default settings. The Specifications of CMOS Battery How to Choose the Correct CMOS Battery Replacement for Your Laptop The customers are confused with the variety of CMOS batteries.Here are the key points to determine the correct CMOS battery for your laptop. Battery Size:CR1220 Diameter of coin cell battery:12mm Thickness of coin cell battery:2.0mm Connector Pin:2 Connector Quantity:2 Negative Position:Right(On the Metal Terminal Side) Positive Position:Left(On the Metal Terminal Side) Note: Some customers ignore the negative and positive end of battery and complain the battery is "dead" or"defective". Please check the positive and negative position if your new CMOS battery can't work. We Focus On the Quality and Details When Designing and Manufacturing Quality Housing Shell Durable polycarbonate plastic housing shell and ABS provides the high endurance. Double-Sided Adhesive Sticky Pad The double-sided adhesive on one side provides the flexibility and convenience when replacing the RTC battery Compact Shrink Tube The compact heat shrink tube securely wire the metal terminals to ensure the long lifetime of RTC batteries. Review: 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. Review: 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. ## Features - Brand New and High Quality - Compatible Models:Dell XPS13 15 9350 9343 9360 9365 Precision 5510 7350 XPS 15 9550 9560 - Connector:2 pins and 2 wires(Thin Connecot,Not Standard 2Pin 2Wire) - Each item is tested before shipping - What you see is what you get.Please shop with confidence. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B082G35D4R | | Antenna Location | Laptop | | Battery Cell Composition | Lithium Manganese Dioxide | | Battery Cell Type | Lithium Manganese Dioxide | | Battery Weight | 4 Grams | | Best Sellers Rank | #173,690 in Electronics ( See Top 100 in Electronics ) #3,526 in Laptop Batteries | | Brand | LeFix | | Built-In Media | Battery | | Compatible Phone Models | For dell XPS 15 | | Customer Reviews | 4.4 out of 5 stars 59 Reviews | | 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 | ## Product Details - **Number of Batteries:** 1 CR2 batteries required. (included) - **Brand:** LeFix - **Battery Cell Composition:** Lithium Manganese Dioxide - **Recommended Uses For Product:** Laptop - **Voltage:** 14.8 Volts ## Images ![LeFix Replacement Compatible with CMOS RTC BIOS Battery CR1220 Dell XPS15 XPS 15 9550 9560 Precision 5510 7350|Latitude 12 7275 Yellow Color - Image 1](https://m.media-amazon.com/images/I/51bpIpPI9mL.jpg) ![LeFix Replacement Compatible with CMOS RTC BIOS Battery CR1220 Dell XPS15 XPS 15 9550 9560 Precision 5510 7350|Latitude 12 7275 Yellow Color - Image 2](https://m.media-amazon.com/images/I/61AW3zbk3QL.jpg) ![LeFix Replacement Compatible with CMOS RTC BIOS Battery CR1220 Dell XPS15 XPS 15 9550 9560 Precision 5510 7350|Latitude 12 7275 Yellow Color - Image 3](https://m.media-amazon.com/images/I/61wQs8yCw-L.jpg) ![LeFix Replacement Compatible with CMOS RTC BIOS Battery CR1220 Dell XPS15 XPS 15 9550 9560 Precision 5510 7350|Latitude 12 7275 Yellow Color - Image 4](https://m.media-amazon.com/images/I/61CkuFWuXTL.jpg) ![LeFix Replacement Compatible with CMOS RTC BIOS Battery CR1220 Dell XPS15 XPS 15 9550 9560 Precision 5510 7350|Latitude 12 7275 Yellow Color - Image 5](https://m.media-amazon.com/images/I/71eyHpmjhOL.jpg) ## Questions & Answers **Q: is this rechargable?** A: hello,it's CR1220.so,it's single use.it's not rechargable. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worked as Expected for Dell XPS *by S***E on September 30, 2020* 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. ### ⭐⭐⭐⭐⭐ Worked perfectly *by A***R on November 12, 2021* 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. ### ⭐⭐⭐⭐⭐ Does exactly what it is supposed to *by B***A on January 19, 2025* 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. ## Frequently Bought Together - LeFix Replacement Compatible with CMOS RTC BIOS Battery CR1220 Dell XPS15 XPS 15 9550 9560 Precision 5510 7350|Latitude 12 7275 Yellow Color - BE•SELL 97WH 6GTPY Laptop Battery for Dell XPS 15 9560 9570 9550 7590 Precision 5520 5530 Vostro 7500 5XJ28 i7-7700HQ 5D91C GPM03 4GVGH 1P6KD - DMKAOLLK 97Wh Type 6GTPY Battery for Dell XPS 15-9560 15-9550 15-9570 15-7590 Precision 5520 5530 5540 5510 Vostro 7500 4GVGH 1P6KD 5XJ28 GPM03 P56F, 6GTPY Battery 97Wh Replacement for Dell XPS 9560 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/210561724-lefix-replacement-compatible-with-cmos-rtc-bios-battery-cr1220-dell](https://www.desertcart.co.uk/products/210561724-lefix-replacement-compatible-with-cmos-rtc-bios-battery-cr1220-dell) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*