---
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: "C$1186"
currency: NIO
in_stock: true
category: "Rome Tech"
url: https://www.desertcart.ni/products/547048481-rome-tech-cr2032-cmos-battery-for-dell-optiplex-740-745
store_origin: NI
region: Nicaragua
---

# Long-lasting CMOS power 3V high energy density Dell Optiplex 740-790 compatible 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:** C$1186
**Availability:** ✅ In Stock

## Summary

> 🔋 Keep your system ticking—never miss a moment 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?** C$1186 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/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

- • **Multi-Device Versatility:** Not just for desktops—ideal for watches, key fobs, calculators, and more.
- • **Backed by Responsive Support:** Dedicated customer service ready to assist you through any replacement hiccups.
- • **Power Your BIOS with Confidence:** Reliable 3V lithium coin battery ensures your system clock and settings never skip a beat.
- • **Tailored for Dell Optiplex Series:** Perfectly compatible with models 740 through 790—no guesswork, just seamless fit.
- • **Effortless Installation in Minutes:** Swap your battery in under 10 minutes and get back to business without downtime.

## Overview

The Rome Tech CR2032 CMOS battery delivers a dependable 3V power source designed specifically for Dell Optiplex models 740 to 790. Featuring high energy density for extended lifespan, it maintains critical BIOS settings like date and time. Its versatile design also supports various electronic devices, while quick installation and dedicated customer support ensure a hassle-free upgrade experience.

## Description

Buy Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement on desertcart.com ✓ FREE SHIPPING on qualified orders

## 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 |
| Batteries | 1 CR2032 batteries required. |
| Best Sellers Rank | #51,610 in Electronics ( See Top 100 in Electronics ) #695 in Laptop Batteries |
| Customer Reviews | 3.8 3.8 out of 5 stars (10) |
| Date First Available | July 24, 2023 |
| Item Weight | 0.352 ounces |
| Manufacturer | ROME TECH |
| Package Dimensions | 4.69 x 4.37 x 0.08 inches |

## 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)

## Frequently Bought Together

- Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement
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**Shop now:** [https://www.desertcart.ni/products/547048481-rome-tech-cr2032-cmos-battery-for-dell-optiplex-740-745](https://www.desertcart.ni/products/547048481-rome-tech-cr2032-cmos-battery-for-dell-optiplex-740-745)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-15*