--- product_id: 301927026 title: "Rome Tech 45 mAh RTC CMOS Battery for Sony VAIO PCG-41218M, PCG-4121FM, SVT1312B4E, VPCSB, VPCSB3T9E- BIOS ML1220 with 2 Pin and 2 Wires Cable" brand: "rome tech" price: "€ 37.61" currency: EUR in_stock: true url: https://www.desertcart.fr/products/301927026-rome-tech-45-mah-rtc-cmos-battery-for-sony-vaio store_origin: FR region: France --- # Pre-charged 2.7-2.8V, recharges to 3V in-device 45mAh high-capacity lithium cell 2-pin, 2-wire cable for plug-and-play install Rome Tech 45 mAh RTC CMOS Battery for Sony VAIO PCG-41218M, PCG-4121FM, SVT1312B4E, VPCSB, VPCSB3T9E- BIOS ML1220 with 2 Pin and 2 Wires Cable **Brand:** rome tech **Price:** € 37.61 **Availability:** ✅ In Stock ## Summary > 🔋 Power your VAIO like a pro—never miss a BIOS beat! ## Quick Answers - **What is this?** Rome Tech 45 mAh RTC CMOS Battery for Sony VAIO PCG-41218M, PCG-4121FM, SVT1312B4E, VPCSB, VPCSB3T9E- BIOS ML1220 with 2 Pin and 2 Wires Cable by rome tech - **How much does it cost?** € 37.61 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/301927026-rome-tech-45-mah-rtc-cmos-battery-for-sony-vaio) ## 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 Yet Mighty:** Ultra-small ML1220 size fits perfectly in your Sony VAIO BIOS slot - • **Effortless Power Boost:** Pre-charged and auto-recharges to optimal 3V for seamless performance - • **Plug & Play Simplicity:** 2-pin, 2-wire cable ensures quick 10-minute installation—no tech headaches - • **Tailored Compatibility:** Specifically engineered for Sony VAIO PCG-41218M, PCG-4121FM, SVT1312B4E, VPCSB series - • **Long-Lasting Reliability:** Durable lithium battery with heat shrink protection for extended lifespan ## Overview The Rome Tech 45mAh RTC CMOS Battery is a rechargeable lithium cell designed exclusively for select Sony VAIO laptops. Pre-charged and capable of auto-recharging to 3 volts, it ensures reliable BIOS timekeeping and system stability. Featuring a compact ML1220 form factor with a 2-pin, 2-wire cable, it offers hassle-free installation and long-lasting performance backed by heat shrink protection. ## Description Buy Rome Tech 45 mAh RTC CMOS Battery for Sony VAIO PCG-41218M, PCG-4121FM, SVT1312B4E, VPCSB, VPCSB3T9E- BIOS ML1220 with 2 Pin and 2 Wires Cable: 3V - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - PLEASE NOTE: ML1220 batteries are rechargeable and come pre-charged to 2.7-2.8V. The computer will recharge them to 3v after installation. The battery may arrive at 2.6–2.8 V; the computer will recharge it to 3.0 V after installation for normal use. - ML1220 laptop battery COMPATIBLE with Sony VAIO PCG-41218M, Sony VAIO PCG-4121FM, Sony VAIO SVT1312B4E, Sony VAIO VPCSB, Sony VAIO VPCSB3T9E - Enjoy extended reliability of the RTC battery and heat shrink of a high caliber - the CMOS laptop battery will last you for a long time - The size of the CMOS battery is extremely small - will fit in almost any electronic device requires 3V Battery connector with 2 pins and 2 wires - Quick and simple battery installation takes only 10 minutes of your time. Try our customer service for resolving any issues during battery replacement ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08TB727RW | | Antenna Location | Laptop | | Battery Capacity | 45 milliamp_hours | | Battery Cell Type | Lithium | | Battery Weight | 23 g | | Best Sellers Rank | #755,144 in Health & Household ( See Top 100 in Health & Household ) #1,569 in 3V Batteries | | Brand | Rome Tech | | Compatible Phone Models | Sony VAIO PCG-41218M, Sony VAIO PCG-4121FM, Sony VAIO SVT1312B4E, Sony VAIO VPCSB, Sony VAIO VPCSB3T9E | | Customer Reviews | 4.7 4.7 out of 5 stars (4) | | Included Components | Battery | | Manufacturer | Rome Tech | | Model Number | CMOSRTB227 | | Number of Batteries | 1 Product Specific batteries required. (included) | | Reusability | Rechargeable | | UPC | 372769846404 | | Unit Count | 1 Count | | Voltage | 3 volts | | Warranty Description | 30 Days | ## Product Details - **Battery Capacity:** 45 milliamp_hours - **Battery Cell Composition:** Lithium - **Brand:** Rome Tech - **Number of Batteries:** 1 Product Specific batteries required. (included) - **Recommended Uses For Product:** Laptop ## Images ![Rome Tech 45 mAh RTC CMOS Battery for Sony VAIO PCG-41218M, PCG-4121FM, SVT1312B4E, VPCSB, VPCSB3T9E- BIOS ML1220 with 2 Pin and 2 Wires Cable - Image 1](https://m.media-amazon.com/images/I/61RtRlrYx1L.jpg) --- ## 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.fr/products/301927026-rome-tech-45-mah-rtc-cmos-battery-for-sony-vaio](https://www.desertcart.fr/products/301927026-rome-tech-45-mah-rtc-cmos-battery-for-sony-vaio) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-09-30*