--- product_id: 523926684 title: "Rome Tech ML1220 CMOS BIOS Battery for Dell Precision 5510, 5520, 5530, 5540, 5290 2-in-1 - Rechargeable Laptop Backup RTC with 2 Wire Cable" brand: "rome tech" price: "2578 som" currency: KGS in_stock: true reviews_count: 3 category: "Rome Tech" url: https://www.desertcart.kg/products/523926684-rome-tech-ml1220-cmos-bios-battery-for-dell-precision-5510 store_origin: KG region: Kyrgyzstan --- # 225mAh Lithium-Ion Capacity 3V Rechargeable Power 2-Wire Plug & Play Connector Rome Tech ML1220 CMOS BIOS Battery for Dell Precision 5510, 5520, 5530, 5540, 5290 2-in-1 - Rechargeable Laptop Backup RTC with 2 Wire Cable **Brand:** rome tech **Price:** 2578 som **Availability:** ✅ In Stock ## Summary > 🔋 Power your precision with Rome Tech’s sleek, rechargeable BIOS battery—never miss a beat! ## Quick Answers - **What is this?** Rome Tech ML1220 CMOS BIOS Battery for Dell Precision 5510, 5520, 5530, 5540, 5290 2-in-1 - Rechargeable Laptop Backup RTC with 2 Wire Cable by rome tech - **How much does it cost?** 2578 som with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/523926684-rome-tech-ml1220-cmos-bios-battery-for-dell-precision-5510) ## 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 - • **Compact Powerhouse:** Ultra-small form factor with heat shrink protection for durable, space-saving use - • **Quick & Simple Swap:** Install in under 10 minutes with plug-and-play 2-wire cable—no tech headaches - • **Effortless Compatibility:** Seamlessly fits Dell Precision 5510-5540 & Latitude 5290 2-in-1 models - • **Premium Support Included:** Dedicated customer service ready to assist your battery replacement journey - • **Rechargeable Reliability:** Maintains optimal 3V voltage after installation for long-lasting RTC backup ## Overview The Rome Tech ML1220 CMOS BIOS Battery is a rechargeable 3V lithium-ion backup battery designed specifically for Dell Precision 5510, 5520, 5530, 5540, and Latitude 5290 2-in-1 laptops. Featuring a compact size and 2-wire connector, it ensures quick installation and reliable RTC performance, backed by premium quality and 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 LENOVO 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 - Rome Tech BIOS CMOS battery ML1220 best suits to replace your broken or non-working old battery - we provide premium quality only. The battery may arrive at 2.6–2.8 V; the computer will recharge it to 3.0 V after installation for normal use. - RTC rechargeable battery compatible with such models as: Dell Precision 5510 / Dell Precision 5520 / Dell Precision 5530 / Dell Precision 5540 / Dell Latitude 5290 2-in-1 - 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 - Quick and simple battery CMOS installation takes only 10 minutes of your time. Try our customer service for resolving any issues during battery replacement ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BSGSWHM2 | | Antenna Location | Laptop | | Battery Capacity | 225 Milliamp Hours | | Battery Cell Composition | Lithium Ion | | Battery Cell Type | Lithium Ion | | Battery Weight | 3 Grams | | Best Sellers Rank | #126,581 in Electronics ( See Top 100 in Electronics ) #2,026 in Laptop Batteries | | Brand | Rome Tech | | Built-In Media | battery | | Compatible Phone Models | Dell Precision 5510 / Dell Precision 5520 / Dell Precision 5530 / Dell Precision 5540 ? / Dell Latitude 5290 2-in-1 | | Customer Reviews | 2.9 out of 5 stars 5 Reviews | | Manufacturer | Rome Tech | | Model Name | ml1220 | | Model Number | 22SLIMPNML1220S | | Number of Batteries | 1 C batteries required. (included) | | Recommended Uses For Product | Laptop | | Reusability | Single Use | | UPC | 712302251898 | | Unit Count | 1.0 Count | | Voltage | 3 Volts | | Warranty Description | 30 Days | ## Product Details - **Battery Capacity:** 225 Milliamp Hours - **Battery Cell Composition:** Lithium Ion - **Brand:** Rome Tech - **Number of Batteries:** 1 C batteries required. (included) - **Recommended Uses For Product:** Laptop ## Images ![Rome Tech ML1220 CMOS BIOS Battery for Dell Precision 5510, 5520, 5530, 5540, 5290 2-in-1 - Rechargeable Laptop Backup RTC with 2 Wire Cable - Image 1](https://m.media-amazon.com/images/I/61jTNKfIkVL.jpg) ![Rome Tech ML1220 CMOS BIOS Battery for Dell Precision 5510, 5520, 5530, 5540, 5290 2-in-1 - Rechargeable Laptop Backup RTC with 2 Wire Cable - Image 2](https://m.media-amazon.com/images/I/61iVpAFPkML.jpg) ![Rome Tech ML1220 CMOS BIOS Battery for Dell Precision 5510, 5520, 5530, 5540, 5290 2-in-1 - Rechargeable Laptop Backup RTC with 2 Wire Cable - Image 3](https://m.media-amazon.com/images/I/61zb2S4kc-L.jpg) ![Rome Tech ML1220 CMOS BIOS Battery for Dell Precision 5510, 5520, 5530, 5540, 5290 2-in-1 - Rechargeable Laptop Backup RTC with 2 Wire Cable - Image 4](https://m.media-amazon.com/images/I/517T-Hw75BL.jpg) ![Rome Tech ML1220 CMOS BIOS Battery for Dell Precision 5510, 5520, 5530, 5540, 5290 2-in-1 - Rechargeable Laptop Backup RTC with 2 Wire Cable - Image 5](https://m.media-amazon.com/images/I/51tS-8d4+QL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐ Review *by W***L on October 14, 2025* ### ⭐⭐⭐ Review *by S***N on December 6, 2024* ### ⭐ Review *by L***R on January 6, 2025* ## Frequently Bought Together - Rome Tech ML1220 CMOS BIOS Battery for Dell Precision 5510, 5520, 5530, 5540, 5290 2-in-1 - Rechargeable Laptop Backup RTC with 2 Wire Cable - Replacement Keyboard for Dell XPS 15 9550 9560 9570, Precision 5510 5520 5530 5540 & inspiron 15 7558 7568 Laptop, Dell Precision 5510 Keyboard with Backlit US Layout P/N: 0VC22N 0GDT9F --- ## 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.kg/products/523926684-rome-tech-ml1220-cmos-bios-battery-for-dell-precision-5510](https://www.desertcart.kg/products/523926684-rome-tech-ml1220-cmos-bios-battery-for-dell-precision-5510) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-05-08*