--- 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: "2102 som" currency: KGS in_stock: true reviews_count: 1 category: "Rome Tech" url: https://www.desertcart.kg/products/301927026-rome-tech-45-mah-rtc-cmos-battery-for-sony-vaio store_origin: KG region: Kyrgyzstan --- # Rechargeable pre-charged 2.7-2.8V 45mAh high-capacity power 2-pin, 2-wire easy 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:** 2102 som **Availability:** ✅ In Stock ## Summary > 🔋 Power your legacy Sony VAIO with precision and ease—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?** 2102 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/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 - • **Power That Lasts:** 45mAh lithium-ion capacity ensures reliable RTC performance for your Sony VAIO. - • **Compact Yet Mighty:** Ultra-small ML1220 form factor fits seamlessly into your laptop’s motherboard without bulk. - • **Rechargeable & Ready:** Pre-charged to 2.7-2.8V and recharges to 3V in-device, keeping your BIOS clock ticking flawlessly. - • **Trusted Compatibility:** Specifically engineered for Sony VAIO PCG-41218M, PCG-4121FM, SVT1312B4E, VPCSB series—no guesswork. - • **Plug & Play Simplicity:** Designed with a 2-pin, 2-wire cable for a quick 10-minute installation—no tech headaches. ## Overview The Rome Tech 45mAh RTC CMOS Battery is a rechargeable, pre-charged 3V lithium-ion battery tailored for select Sony VAIO laptops. Featuring a compact ML1220 size with a 2-pin, 2-wire connector, it offers effortless installation and reliable BIOS clock maintenance. Compatible with multiple VAIO models, it ensures long-lasting performance and hassle-free replacement backed by a 30-day warranty. ## 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 Review: TIP: Check your mother board connector for a match. - Worked but the connector did not match the connector on the mother board so I had to switch the connector out with the old battery. ## 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 Ion | | Battery Weight | 23 Grams | | Best Sellers Rank | #507,121 in Health & Household ( See Top 100 in Health & Household ) #1,112 in 3V Batteries | | Brand | Rome Tech | | Built-In Media | Battery | | 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) | | Manufacturer | Rome Tech | | Model Number | CMOSRTB227 | | Number of Batteries | 1 C 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 Ion - **Brand:** Rome Tech - **Number of Batteries:** 1 C 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) ## Customer Reviews ### ⭐⭐⭐⭐⭐ TIP: Check your mother board connector for a match. *by N***B on November 10, 2025* Worked but the connector did not match the connector on the mother board so I had to switch the connector out with the old battery. --- ## 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/301927026-rome-tech-45-mah-rtc-cmos-battery-for-sony-vaio](https://www.desertcart.kg/products/301927026-rome-tech-45-mah-rtc-cmos-battery-for-sony-vaio) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-09-08*