--- product_id: 583400775 title: "Battery for Dell XPS 13 (7390, 9305, 9343, 9350, 9360, 9365, 9370, 9380), XPS 15 (9550, 9560, 9570) & Precision 5510, 5520, 5530 CMOS BIOS RTC Backup with 2-Wire Cable" brand: "rome tech" price: "$21.62" currency: USD in_stock: true reviews_count: 7 category: "Rome Tech" url: https://www.desertcart.us/products/583400775-battery-for-dell-xps-13-7390-9305-9343-9350-9360 store_origin: US region: United States of America --- # 3V stable voltage output 225mAh Lithium-Ion power 2-wire cable for plug & play Battery for Dell XPS 13 (7390, 9305, 9343, 9350, 9360, 9365, 9370, 9380), XPS 15 (9550, 9560, 9570) & Precision 5510, 5520, 5530 CMOS BIOS RTC Backup with 2-Wire Cable **Brand:** rome tech **Price:** $21.62 **Availability:** ✅ In Stock ## Summary > 🔋 Power your productivity—never miss a beat with Rome Tech’s reliable CMOS backup! ## Quick Answers - **What is this?** Battery for Dell XPS 13 (7390, 9305, 9343, 9350, 9360, 9365, 9370, 9380), XPS 15 (9550, 9560, 9570) & Precision 5510, 5520, 5530 CMOS BIOS RTC Backup with 2-Wire Cable by rome tech - **How much does it cost?** $21.62 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/583400775-battery-for-dell-xps-13-7390-9305-9343-9350-9360) ## Best For - rome tech enthusiasts ## Why This Product - Trusted rome tech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Compatibility:** Perfectly fits Dell XPS 13 & 15 models plus Precision series—no guesswork, just plug & play. - • **Effortless Installation:** Replace your CMOS battery in under 10 minutes with the included 2-wire cable—no tech headaches. - • **Compact & Durable Design:** Ultra-small form factor with heat shrink protection guarantees longevity and fits tight spaces. - • **Long-lasting Lithium-Ion Power:** 225mAh capacity ensures your Dell XPS stays reliably powered for extended periods. - • **Stable Voltage for Optimal Performance:** Ships partially charged (2.6–2.8V) and recharges fully in-device for flawless BIOS and RTC backup. ## Overview The Rome Tech ML1220 CMOS battery is a high-quality, rechargeable 3V lithium-ion replacement designed specifically for Dell XPS 13, XPS 15, and Precision 5510/5520/5530 models. Featuring a 225mAh capacity and a 2-wire cable for quick installation, it ensures stable BIOS and RTC backup power, eliminating boot issues and clock resets. Compact and durable, it delivers long-lasting reliability with hassle-free setup, backed by dedicated customer support. ## Description Product description PERFECT CMOS BATTERY FOR YOUR DEVICE BIOS CMOS RTC Lithium-Ion Coin Cell Batteries Rome Tech Lithium Coin Cell Batteries keep laptops and small electronics powered and ready. Ideal for notebooks, netbooks, laptops, portable computers, warehouse scanners, household devices, and much more. Rome Tech CMOS RTC batteries are small but effective batteries that offer long-lasting battery life coupled with safety and reliability. Small but Powerful Boasting high power in a small size, Rome Tech zero-mercury lithium-ion batteries are built to last and designed to perform in extreme environments. Buy a Rome Tech RTC CMOS replacement battery for home and office use. Easy Replacement Rome Tech CMOS batteries are simple to replace in a wide variety of laptops and netbook devices. Each battery includes an identification label so you can easily verify the authenticity and a matching connector for 100% compatibility. Housed in protective packaging, the CMOS RTC battery can be easily removed and installed without soldering or modifications. Replace original OEM battery with a high-quality Rome Tech RTC CMOS BIOS battery Contains one Rome Tech 1220 Lithium coin-type battery Holds power for up to 10 years in storage, ensuring you have CMOS batteries ready when you need them Cell size: 1220; IEC: ML1220; Type: Lithium Coin; Volt: 3 These lithium batteries can withstand a wide temperature range, from -22º to 140º F CMOS Battery Standard Technical Specification UNIVERSAL BATTERY COMPATIBLE NOT ONLY WITH DELL BUT WITH OTHER DEVICES Suitable for other devices Delivers long-lasting, dependable performance in specialty devices like laptops, scanners, remotes, keyless entry systems, glucose monitors, toys, and games Summary These reliable and durable Rome Tech CMOS RTC Coin Lithium-Ion Batteries are able to withstand a wide range of temperatures (from -22º to 140º F) and can hold power in storage for up to 10 years, giving you coin battery power you can depend on. Responsibly designed with zero mercury and easy to open the packaging to save time and the environment, it’s easy to see why Rome Tech CMOS RTC Lithium-Ion Coin Batteries are the right choice for your specialty devices. ## Features - High-Quality Replacement: Rome Tech ML1220 CMOS battery delivers long-lasting, stable power. Ships partially charged (2.6–2.8 V) and fully recharges in your device for optimal operation. - RTC rechargeable battery compatible with such models as: Dell XPS 13 9350 / Dell XPS 13 9343 / Dell XPS 13 9360/Dell XPS 13 9365 2-in-1 / Dell XPS 15 9550 / Dell XPS 15 9560 - Enjoy extended reliability of the CMOS battery and heat shrink of a high caliber - the CMOS battery will last you for a long time - The size of the entire unit is extremely small - will fit in almost any electronic device requires 3V battery connector with 2 pins and 2 wires - Fast and hassle-free installation: replace your CMOS battery in about 10 minutes. Dedicated customer service is available for any assistance. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CM449YK9 | | Antenna Location | Indoor | | Battery Capacity | 225 Milliamp Hours | | Battery Cell Composition | Lithium Ion | | Battery Cell Type | Lithium Ion | | Battery Weight | 3 Grams | | Best Sellers Rank | #40,977 in Electronics ( See Top 100 in Electronics ) #374 in Laptop Batteries | | Brand | Rome Tech | | Compatible Phone Models | Dell XPS 13 7390, 9305, 9343, 9350, 9360, 9365, 9370, 9380 (включая 2-in-1), Dell XPS 15 9550, 9560, 9570, Dell Precision 5510, 5520, 5530, Miix 510-12IKB Tablet 80XE, Miix 510-12ISK Tablet 80U1, Miix 520-12IKB Tablet 81CG, Miix 520-12IKB Tablet 20M3, Miix 520-12IKB Tablet 20M4 | | Customer Reviews | 4.8 out of 5 stars 20 Reviews | | Manufacturer | Rome Tech | | Model Name | 22SLIMPNML1220S-01 | | Number of Batteries | 1 CR2 batteries required. (included) | | Recommended Uses For Product | Indoor | | Reusability | No | | UPC | 712302255636 | | Unit Count | 1.0 Count | | Voltage | 3 Volts (AC) | | Warranty Description | 30 Days | ## Product Details - **Battery Capacity:** 225 Milliamp Hours - **Battery Cell Composition:** Lithium Ion - **Brand:** Rome Tech - **Number of Batteries:** 1 CR2 batteries required. (included) - **Recommended Uses For Product:** Indoor ## Images ![Battery for Dell XPS 13 (7390, 9305, 9343, 9350, 9360, 9365, 9370, 9380), XPS 15 (9550, 9560, 9570) & Precision 5510, 5520, 5530 CMOS BIOS RTC Backup with 2-Wire Cable - Image 1](https://m.media-amazon.com/images/I/61HaJHtP0AL.jpg) ![Battery for Dell XPS 13 (7390, 9305, 9343, 9350, 9360, 9365, 9370, 9380), XPS 15 (9550, 9560, 9570) & Precision 5510, 5520, 5530 CMOS BIOS RTC Backup with 2-Wire Cable - Image 2](https://m.media-amazon.com/images/I/61iVpAFPkML.jpg) ![Battery for Dell XPS 13 (7390, 9305, 9343, 9350, 9360, 9365, 9370, 9380), XPS 15 (9550, 9560, 9570) & Precision 5510, 5520, 5530 CMOS BIOS RTC Backup with 2-Wire Cable - Image 3](https://m.media-amazon.com/images/I/61zb2S4kc-L.jpg) ![Battery for Dell XPS 13 (7390, 9305, 9343, 9350, 9360, 9365, 9370, 9380), XPS 15 (9550, 9560, 9570) & Precision 5510, 5520, 5530 CMOS BIOS RTC Backup with 2-Wire Cable - Image 4](https://m.media-amazon.com/images/I/517T-Hw75BL.jpg) ![Battery for Dell XPS 13 (7390, 9305, 9343, 9350, 9360, 9365, 9370, 9380), XPS 15 (9550, 9560, 9570) & Precision 5510, 5520, 5530 CMOS BIOS RTC Backup with 2-Wire Cable - Image 5](https://m.media-amazon.com/images/I/51rdi41vBQL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by S***E on September 4, 2024* ### ⭐⭐⭐⭐⭐ Review *by A***N on May 14, 2025* ### ⭐⭐⭐⭐⭐ Review *by V***M on May 28, 2025* ## Frequently Bought Together - Rome Tech ML1220 CMOS BIOS Battery for Dell XPS 13 9350, 9343, 9360, 9365 2-in-1, 15 9550, 9560 - Laptop Backup RTC with 2 Wire Cable - DXGH8 7.6V 52Wh Battery for Dell XPS 13 9370 9380 2019 Inspiron 13 7390 7391 2-in-1 5390 5391 7490 Latitude 3301 E3301 Vostro 5390 5391 Series 0H754V H754V G8VCF G8VCF6C HK6N5 P113G001 P82G P82G001 - JOREST 38Pcs Small Precision Screwdriver Set (S2 Steel), Magnetic Screwdriver Set with Torx T5 T6 T8, Mini Repair Tool Kit for Macbook, Computer, Laptop, iPhone, PS4 PS5, Xbox, Switch, Glasses, Watch --- ## 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.us/products/583400775-battery-for-dell-xps-13-7390-9305-9343-9350-9360](https://www.desertcart.us/products/583400775-battery-for-dell-xps-13-7390-9305-9343-9350-9360) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-15*