---
product_id: 527070495
title: "Rome Tech CR2032 CMOS BIOS Battery for Dell Wyse 3040 / HP EliteBook 480 G3, 745 G6, 840 G1 - Laptop Backup 3V RTC with 2 Wire Cable"
brand: "rome tech"
price: "€ 18.87"
currency: EUR
in_stock: true
reviews_count: 3
category: "Rome Tech"
url: https://www.desertcart.nl/products/527070495-rome-tech-cr2032-cmos-bios-battery-for-dell-wyse-3040
store_origin: NL
region: Netherlands
---

# 3V power output 2-pin wired connector 10-min quick install Rome Tech CR2032 CMOS BIOS Battery for Dell Wyse 3040 / HP EliteBook 480 G3, 745 G6, 840 G1 - Laptop Backup 3V RTC with 2 Wire Cable

**Brand:** rome tech
**Price:** € 18.87
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your productivity—never miss a beat with Rome Tech’s CMOS battery!

## Quick Answers

- **What is this?** Rome Tech CR2032 CMOS BIOS Battery for Dell Wyse 3040 / HP EliteBook 480 G3, 745 G6, 840 G1 - Laptop Backup 3V RTC with 2 Wire Cable by rome tech
- **How much does it cost?** € 18.87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/527070495-rome-tech-cr2032-cmos-bios-battery-for-dell-wyse-3040)

## 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

- • **Effortless Installation:** Get back to work fast with a simple 10-minute swap—no tech degree required, just plug and play.
- • **Reliable 3V Power Boost:** Keep your laptop’s BIOS alive with steady 3V output for flawless startup every time.
- • **Universal Compatibility:** Seamlessly fits Dell Wyse 3040, HP EliteBook 480 G3, 745 G6, 840 G1/G3/G5, and more—your go-to CMOS battery solution.
- • **Compact & Discreet Design:** Ultra-small form factor slides into tight spaces without hassle, perfect for sleek professional devices.
- • **Premium Durability Guaranteed:** Engineered with high-caliber heat shrink for long-lasting reliability, so your BIOS stays powered through every deadline.

## Overview

The Rome Tech CR2032 CMOS BIOS Battery delivers a reliable 3V power source with a 2-pin wired connector, designed for quick 10-minute installation. Compatible with a wide range of Dell and HP EliteBook models, it features a compact size and premium heat shrink for enhanced durability, ensuring your laptop BIOS maintains optimal performance and uptime.

## Description

Buy Rome Tech CR2032 CMOS BIOS Battery for Dell Wyse 3040 / HP EliteBook 480 G3, 745 G6, 840 G1 - Laptop Backup 3V RTC with 2 Wire Cable: Batteries - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: It fit perfectly in my old computer - It fit perfectly in my old computer and the included double-sided tape made installation a breeze.
Review: Does not fit - May fit some other laptops, but I have here an HP Elitebook G6 840 it does NOT fit.

## Features

- Rome Tech BIOS CMOS battery CR2032 best suits to replace your broken or non-working old HP Elitebook 840 G3 battery - we provide premium quality only
- RTC battery compatible with such models as: Dell Wyse 3040 / HP EliteBook 480 G3 / HP EliteBook 745 G6 / HP EliteBook 840 G1 / HP EliteBook 840 G5 / HP ENVY 27-b100 All-in-One / HP ENVY 27-b235t / HP Pavilion dv7t-7000
- Enjoy extended reliability of the CMOS battery for HP Envy 13 aq0xxx and heat shrink of a high caliber - the CMOS battery 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 G1 battery CMOS installation takes only 10 minutes of your time. Try our customer service for resolving any issues during Dell CMOS battery CR2032 replacement

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BY89M34R |
| Batteries | 1 C batteries required. (included) |
| Best Sellers Rank | #59,950 in Electronics ( See Top 100 in Electronics ) #804 in Laptop Batteries |
| Customer Reviews | 3.9 3.9 out of 5 stars (9) |
| Date First Available | March 13, 2023 |
| Item Weight | 0.634 ounces |
| Manufacturer | Rome Tech |
| Package Dimensions | 5.43 x 4.29 x 0.28 inches |

## Product Details

- **Battery Capacity:** 225 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 CR2032 CMOS BIOS Battery for Dell Wyse 3040 / HP EliteBook 480 G3, 745 G6, 840 G1 - Laptop Backup 3V RTC with 2 Wire Cable - Image 1](https://m.media-amazon.com/images/I/61TIQKdk2BL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ It fit perfectly in my old computer
*by S***D on September 28, 2024*

It fit perfectly in my old computer and the included double-sided tape made installation a breeze.

### ⭐⭐⭐ Does not fit
*by C***G on March 27, 2024*

May fit some other laptops, but I have here an HP Elitebook G6 840 it does NOT fit.

### ⭐⭐⭐⭐⭐ Worked
*by T***C on June 12, 2024*

Worked in my HP ProBook

## Frequently Bought Together

- Rome Tech CR2032 CMOS BIOS Battery for Dell Wyse 3040 / HP EliteBook 480 G3, 745 G6, 840 G1 - Laptop Backup 3V RTC with 2 Wire Cable
- Futurebatt CM03XL Battery fit HP EliteBook 740 745 750 755 840 845 850 855 G1 G2 Series, fit HP ZBook 14 15u, P/N: HSTNN-DB4Q HSTNN-L11C-5 HSTNN-LB4R 717376-001 CM03 CM03050XL Notebook Laptop Battery

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**Shop now:** [https://www.desertcart.nl/products/527070495-rome-tech-cr2032-cmos-bios-battery-for-dell-wyse-3040](https://www.desertcart.nl/products/527070495-rome-tech-cr2032-cmos-bios-battery-for-dell-wyse-3040)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-16*