--- product_id: 523926684 title: "Rome Tech ML1220 CMOS Battery for Dell Precision 5510 / Dell Precision 5520 /..." brand: "rome tech" price: "FREE" currency: PAB in_stock: false url: https://www.desertcart.com.pa/products/523926684-rome-tech-ml1220-cmos-battery-for-dell-precision-5510-dell store_origin: PA region: Panama --- # 2.6-2.8V initial voltage, recharges to 3.0V Rechargeable RTC backup Quick 10-min installation with 2-wire cable Rome Tech ML1220 CMOS Battery for Dell Precision 5510 / Dell Precision 5520 /... **Brand:** rome tech **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🔋 Power your precision with Rome Tech’s rechargeable CMOS battery—because your laptop deserves the best backup! ## Quick Answers - **What is this?** Rome Tech ML1220 CMOS Battery for Dell Precision 5510 / Dell Precision 5520 /... by rome tech - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/523926684-rome-tech-ml1220-cmos-battery-for-dell-precision-5510-dell) ## 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 - • **Precision Compatibility:** Specifically engineered for Dell Precision 5510, 5520, 5530, 5540, and Latitude 5290 2-in-1 models for seamless integration. - • **Hassle-Free Installation:** Swap your old CMOS battery in just 10 minutes with the included 2-wire cable—no tech expertise required. - • **Premium Quality Assurance:** Built with high-caliber heat shrink protection for durability and backed by responsive customer service to resolve any issues. - • **Reliable Rechargeable Power:** Keep your Dell Precision or Latitude running with a CMOS battery that recharges itself to optimal voltage, ensuring long-term RTC backup. - • **Compact & Lightweight Design:** Ultra-small 3g unit fits effortlessly inside your laptop without bulk, maintaining sleek device aesthetics. ## Overview The Rome Tech ML1220 CMOS BIOS Battery is a rechargeable 3V backup battery designed for Dell Precision 5510, 5520, 5530, 5540, and Latitude 5290 2-in-1 laptops. It arrives at 2.6–2.8V and recharges to 3.0V after installation, ensuring reliable real-time clock functionality. Compact and lightweight, it features a 2-wire cable for quick installation and is protected by high-quality heat shrink for durability. Ideal for professionals seeking a dependable BIOS power solution with easy replacement. ## Description Buy 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: Batteries - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## 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 Type | Other Than Listed | | Battery Weight | 3 g | | Best Sellers Rank | #7,372 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #319 in Laptop Batteries | | Brand | Rome Tech | | 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 2.9 out of 5 stars (5) | | Included Components | battery | | Manufacturer | Rome Tech | | Model Name | ml1220 | | Model Number | 22SLIMPNML1220S | | Number of Batteries | 1 C batteries required. (included) | | Reusability | Single Use | | UPC | 712302251898 | | Unit Count | 1 Count | | Voltage | 3 volts | | Warranty Description | 30 Days | ## Product Details - **Battery Capacity:** 225 milliamp_hours - **Battery Cell Composition:** Other Than Listed - **Brand:** Rome Tech - **Number of Batteries:** 1 C batteries required. (included) - **Recommended Uses For Product:** Laptop ## Images ![Rome Tech ML1220 CMOS Battery for Dell Precision 5510 / Dell Precision 5520 /... - Image 1](https://m.media-amazon.com/images/I/61jTNKfIkVL.jpg) ## Available Options This product comes in different **Style** options. ## 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.com.pa/products/523926684-rome-tech-ml1220-cmos-battery-for-dell-precision-5510-dell](https://www.desertcart.com.pa/products/523926684-rome-tech-ml1220-cmos-battery-for-dell-precision-5510-dell) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-08-26*