--- product_id: 578785908 title: "- Rome Tech CR1620 CMOS BIOS Battery for HP EliteBook 840 G7 - Backup 3V RTC CR 1620 HP Laptop Battery with 2 Wire Cable" brand: "rome tech" price: "13080CFA" currency: XOF in_stock: true reviews_count: 5 category: "Rome Tech" url: https://www.desertcart.sn/products/578785908-rome-tech-cr1620-cmos-bios-battery-for-hp-elitebook-840 store_origin: SN region: Senegal --- # 3V Lithium Ion 10 Min Install 2 Wire Connector - Rome Tech CR1620 CMOS BIOS Battery for HP EliteBook 840 G7 - Backup 3V RTC CR 1620 HP Laptop Battery with 2 Wire Cable **Brand:** rome tech **Price:** 13080CFA **Availability:** βœ… In Stock ## Summary > πŸ”„ Power Up Your Performance! ## Quick Answers - **What is this?** - Rome Tech CR1620 CMOS BIOS Battery for HP EliteBook 840 G7 - Backup 3V RTC CR 1620 HP Laptop Battery with 2 Wire Cable by rome tech - **How much does it cost?** 13080CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/578785908-rome-tech-cr1620-cmos-bios-battery-for-hp-elitebook-840) ## 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 - β€’ **πŸ“ Compact Design:** Ultra-small size fits in various devices effortlessly. - β€’ **⚑ Extended Reliability:** Enjoy long-lasting performance with premium quality. - β€’ **πŸ“ž Exceptional Support:** Our customer service is here to assist you anytime. - β€’ **πŸ› οΈ Quick Installation:** Replace your battery in just 10 minutes! - β€’ **πŸ”§ Seamless Compatibility:** Perfectly fits HP EliteBook 840 G7 and more! ## Overview The Rome Tech CR1620 CMOS BIOS Battery is a high-quality replacement for your HP EliteBook 840 G7, designed for seamless compatibility and quick installation. Weighing only 3 grams, this compact lithium-ion battery ensures extended reliability and is perfect for indoor use. With a simple 10-minute installation process and dedicated customer support, you can easily restore your device's functionality. ## 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 1620 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: 1620; IEC: CR1620; Type: Lithium Coin; Volt: 3 These lithium batteries can withstand a wide temperature range, from -22ΒΊ to 140ΒΊ F CMOS Battery Standard Technical Specification UNIVERSAL BATTERY COMPATIBLE NOT ONLY WITH HP 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 -22ΒΊ to 140ΒΊ 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. Review: Great value for money. - Works great as of 2 weeks. It still holds a charge. It's very easy to install and good and has easy connectivity. ; you just need to plug it into the header. The battery life is still good, and it fits perfectly into the header. Overall, I recommend this 5/5 because of the great value for money. Review: Works - Came earlier said it would. Works in laptop so far. Have only had in a little over a week. But seems to have solved the issue. Was reasonably priced ## Features - Rome Tech BIOS CMOS HP mu06 notebook battery CR1620 best suits to replace your broken or non-working old CMOS battery for PC motherboard - we provide premium quality only - RTC laptop CMOS battery compatible with such models as: HP EliteBook 840 G7 - Enjoy extended reliability of the CMOS HP Elitebook battery and heat shrink of a high caliber - the CMOS battery with connector 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 HP Elitebook 840 G3 battery CMOS installation takes only 10 minutes of your time. Try our customer service for resolving any issues during HP Elitebook 840 G5 battery replacement ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CLYPZXJT | | Antenna Location | Indoor | | Battery Capacity | 225 Amp Hours | | Battery Cell Composition | Lithium Ion | | Battery Cell Type | Lithium Ion | | Battery Weight | 3 Grams | | Best Sellers Rank | #77,436 in Electronics ( See Top 100 in Electronics ) #982 in Laptop Batteries | | Brand | Rome Tech | | Compatible Phone Models | HP EliteBook 840 G7 | | Customer Reviews | 4.7 out of 5 stars 7 Reviews | | Manufacturer | Rome Tech | | Model Name | 22LONGNP1620S | | Number of Batteries | 1 Lithium Ion batteries required. | | Recommended Uses For Product | Indoor | | Reusability | No | | UPC | 712302255575 | | Unit Count | 1.0 Count | | Voltage | 3 Volts (AC) | | Warranty Description | 30 Days | ## Product Details - **Number of Batteries:** 1 Lithium Ion batteries required. - **Brand:** Rome Tech - **Battery Cell Composition:** Lithium Ion - **Battery Capacity:** 225 Amp Hours - **Recommended Uses For Product:** Indoor ## Images ![- Rome Tech CR1620 CMOS BIOS Battery for HP EliteBook 840 G7 - Backup 3V RTC CR 1620 HP Laptop Battery with 2 Wire Cable - Image 1](https://m.media-amazon.com/images/I/61bVMVedLKL.jpg) ![- Rome Tech CR1620 CMOS BIOS Battery for HP EliteBook 840 G7 - Backup 3V RTC CR 1620 HP Laptop Battery with 2 Wire Cable - Image 2](https://m.media-amazon.com/images/I/51LujLp+GvL.jpg) ![- Rome Tech CR1620 CMOS BIOS Battery for HP EliteBook 840 G7 - Backup 3V RTC CR 1620 HP Laptop Battery with 2 Wire Cable - Image 3](https://m.media-amazon.com/images/I/513kpqZnOML.jpg) ![- Rome Tech CR1620 CMOS BIOS Battery for HP EliteBook 840 G7 - Backup 3V RTC CR 1620 HP Laptop Battery with 2 Wire Cable - Image 4](https://m.media-amazon.com/images/I/51ikJBRpyHL.jpg) ![- Rome Tech CR1620 CMOS BIOS Battery for HP EliteBook 840 G7 - Backup 3V RTC CR 1620 HP Laptop Battery with 2 Wire Cable - Image 5](https://m.media-amazon.com/images/I/51HtHdGu9ZL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great value for money. *by T***E on April 19, 2026* Works great as of 2 weeks. It still holds a charge. It's very easy to install and good and has easy connectivity. ; you just need to plug it into the header. The battery life is still good, and it fits perfectly into the header. Overall, I recommend this 5/5 because of the great value for money. ### ⭐⭐⭐⭐ Works *by C***. on April 14, 2024* Came earlier said it would. Works in laptop so far. Have only had in a little over a week. But seems to have solved the issue. Was reasonably priced ### ⭐⭐⭐⭐⭐ Resonably Priced *by T***Y on January 5, 2025* I purchased a use HP Elitebook laptop. After about 8 months the C-Mos battery finally went dead. I ordered this to replace the old. It works just fine. The price was reasonably priced and the shipping was satisfactory. ## Frequently Bought Together - Rome Tech CR1620 CMOS BIOS Battery for HP EliteBook 840 G7 - Backup 3V RTC CR 1620 HP Laptop Battery with 2 Wire Cable - Mobik CC03XL 53Wh Replacement Laptop Battery for HP ZBook Firefly 14 G7 G8 EliteBook 830 835 840 845 G7 G8 Probook 635 Aero G7 G8 Series HSTNN-DB9Q L77608-2C1 L77608-421 L78555-005 CC03053XL-PL 11.55V --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/578785908-rome-tech-cr1620-cmos-bios-battery-for-hp-elitebook-840](https://www.desertcart.sn/products/578785908-rome-tech-cr1620-cmos-bios-battery-for-hp-elitebook-840) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-06-01*