---
product_id: 547048481
title: "Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement"
brand: "rome tech"
price: "₪57"
currency: ILS
in_stock: true
category: "Rome Tech"
url: https://www.desertcart.co.il/products/547048481-rome-tech-cr2032-cmos-battery-for-dell-optiplex-740-745
store_origin: IL
region: Israel
---

# Long-lasting energy density 3V Lithium power Dell Optiplex model fit Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement

**Brand:** rome tech
**Price:** ₪57
**Availability:** ✅ In Stock

## Summary

> ⚡ Never let your system clock fall behind—power your Dell with Rome Tech CR2032!

## Quick Answers

- **What is this?** Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement by rome tech
- **How much does it cost?** ₪57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/547048481-rome-tech-cr2032-cmos-battery-for-dell-optiplex-740-745)

## 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

- • **Endurance That Lasts:** High energy density delivers extended lifespan, minimizing replacements and downtime.
- • **Stay Ahead of Failure:** Replace early to avoid BIOS errors and time resets—because your productivity can’t wait.
- • **Plug & Play Simplicity:** Quick 10-minute installation keeps your workflow uninterrupted and hassle-free.
- • **Power Up with Precision:** 3V lithium battery ensures stable BIOS and RTC performance for your Dell Optiplex.
- • **Versatile Compatibility:** Not just for laptops—perfect for watches, remotes, calculators, and more.

## Overview

The Rome Tech CR2032 is a 3V lithium coin battery designed specifically for Dell Optiplex 740-790 series, delivering reliable BIOS and RTC power with high energy density for long-lasting performance. Easy to install and versatile, it supports multiple devices while ensuring your system settings stay intact, backed by a 30-day warranty.

## Description

Product description SPARE CMOC BATTERY CR2032 Superb accessories for your device Our batteries are produced with high quality materials to the highest quality standards you should expect from battery for a laptop. Life is extremely unpredictable. That's why it is so important to control what we can control. Is your laptop constantly forgetting the time and date settings, or displaying BIOS errors at startup? It might be time to change the CMOS battery. Don't wait until your laptop's CMOS battery is completely dead before replacing it. Instead, replace it as soon as you notice the first signs of its power waning. Keep a spare CMOS battery handy, just in case you need it. Be confident in your laptop’s performance, be confident in every little detail. LONG LASTING Extended shelf life for battery CR2032 is a significant benefit because it provides convenience, reliability, cost savings, and reduced waste, making it an ideal choice for a laptop. RELIABLE Battery CR2032 is produced to provide a consistent voltage and have a relatively low self-discharge rate for a laptop, which can help you to use the battery for many years. EASE OF USE The ease of use of a CR2032 battery can save time and frustration, especially in situations where the battery needs to be replaced in a laptop quickly.

## Features

- Rome Tech CR2032 CMOS battery is compatible with Dell Optiplex 740, 745, 755, 760, 780, 790. Please check your laptop model before purchasing!
- RTB CR2032 batteries are designed to last long. CR 2032 battery has a high energy density, enabling it to last for an extended period before requiring replacement.
- CR2032 lithium 3V coin battery provides a reliable and long-lasting power source for the complementary metal-oxide-semiconductor chip in the device, which is responsible for storing essential system information such as date, time, and hardware settings
- Rome Tech multifunctional CR 2032 3V battery can be used for various electronic devices such as watches, key fobs, calculators, digital cameras, remote controls, and many more.
- 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 | B0CCPK27NW |
| Antenna Location | Laptop |
| Battery Capacity | 225 Milliamp Hours |
| Battery Cell Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | #86,347 in Electronics ( See Top 100 in Electronics ) #1,383 in Laptop Batteries |
| Brand | Rome Tech |
| Compatible Phone Models | Dell Optiplex 740, 745, 755, 760, 780, 790 |
| Customer Reviews | 3.9 out of 5 stars 11 Reviews |
| Manufacturer | ROME TECH |
| Number of Batteries | 1 CR2032 batteries required. |
| Recommended Uses For Product | Laptop |
| 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 CR2032 batteries required.
- **Recommended Uses For Product:** Laptop

## Images

![Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement - Image 1](https://m.media-amazon.com/images/I/51XMbp+4hmL.jpg)
![Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement - Image 2](https://m.media-amazon.com/images/I/61OAToagIuL.jpg)
![Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement - Image 3](https://m.media-amazon.com/images/I/619CtrMdRoL.jpg)
![Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement - Image 4](https://m.media-amazon.com/images/I/610pYR-xumL.jpg)
![Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement - Image 5](https://m.media-amazon.com/images/I/61AntVD+KUL.jpg)

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**Shop now:** [https://www.desertcart.co.il/products/547048481-rome-tech-cr2032-cmos-battery-for-dell-optiplex-740-745](https://www.desertcart.co.il/products/547048481-rome-tech-cr2032-cmos-battery-for-dell-optiplex-740-745)

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-02-27*