---
product_id: 266528279
title: "2 Pins 2 Wires BIOS CMOS Battery for DELL(D830 E6530 N4050 E7270 .) HP(CQ41 8440p G4.) ASUS(S56 X611.) Samsung(R467 R458) Backup Reserve Button Cell Batteries (Black)"
brand: "lefix"
price: "HK$127"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/266528279-2-pins-2-wires-bios-cmos-battery-for-dell-d830
store_origin: HK
region: Hong Kong
---

# 3V high-quality power Standard MOLEX 51021-0200 connector Anti-static professional packaging 2 Pins 2 Wires BIOS CMOS Battery for DELL(D830 E6530 N4050 E7270 .) HP(CQ41 8440p G4.) ASUS(S56 X611.) Samsung(R467 R458) Backup Reserve Button Cell Batteries (Black)

**Brand:** lefix
**Price:** HK$127
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your BIOS, power your productivity—never miss a beat!

## Quick Answers

- **What is this?** 2 Pins 2 Wires BIOS CMOS Battery for DELL(D830 E6530 N4050 E7270 .) HP(CQ41 8440p G4.) ASUS(S56 X611.) Samsung(R467 R458) Backup Reserve Button Cell Batteries (Black) by lefix
- **How much does it cost?** HK$127 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/266528279-2-pins-2-wires-bios-cmos-battery-for-dell-d830)

## Best For

- lefix enthusiasts

## Why This Product

- Trusted lefix brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Reliable 3V Power Boost:** Keep your BIOS settings flawless with a premium Japanese-made battery.
- • **Plug & Play MOLEX Connector:** Effortless installation with the industry-standard 2-pin, 2-wire connector.
- • **Anti-Static Safety Packaging:** Arrives protected in professional anti-static bags to ensure pristine condition.
- • **Universal Laptop Compatibility:** Seamlessly supports Dell, HP, ASUS, Samsung models—never worry about compatibility.
- • **Pre-Tested for Guaranteed Performance:** Each battery is rigorously tested before shipping—what you see is what you get.

## Overview

The LeFix 2 Pins 2 Wires CMOS battery delivers reliable 3V power with a standard MOLEX 51021-0200 connector, compatible with major laptop brands like Dell, HP, ASUS, and Samsung. Manufactured by a leading Japanese battery giant, it ensures stable BIOS settings and system time, packaged safely in anti-static bags and pre-tested for guaranteed performance.

## Description

Always got wrong date and error message when you turn on your laptop?  Even the Windows XP can't be loaded correctly? (Windows XP can't be loaded correctly when the Date setting is no sense, this could happen when the CMOS battery voltage is low).  Then it is time to change your CMOS RTC coin battery! Every computer has a small coin cell battery to power the BIOS chip to keep the date, and other internal settings effective. Without these cmos batteries or a dead cmos battery these internal setting will not function.   CMOS RTC battery should be replaced every few years (typically 3-4 yrs).

## Features

- We use high quality battery,manufactured by Japanese battery giant to produce the CMOS battery.
- The battery comes with a standard connector,MOLEX 51021-0200 1.25mm Pitch connector.Please check the polarity of connector on 4th images and the compatibility on the description page
- Connector:2 pins and 2 wires;Red(+,Posive),Black(-,Negative)
- The professional anti-static packaging bag provides the safe protection on the battery product. Please refer to the last image
- ach item is tested before shipping.what you see is what you get.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | LeFix |
| Item model number | 262-CR2032-3V |
| Product Dimensions | 4.5 x 2 x 0.32 cm; 9 g |
| ASIN | B089RWJVZB |
| Guaranteed software updates until | unknown |

## Product Details

- **Number of batteries:** 1 CR2 batteries required. (included)
- **Brand:** LeFix
- **Recommended uses for product:** Laptop
- **Unit count:** 1.0 count
- **Voltage:** 3 Volts

## Images

![2 Pins 2 Wires BIOS CMOS Battery for DELL(D830 E6530 N4050 E7270 .) HP(CQ41 8440p G4.) ASUS(S56 X611.) Samsung(R467 R458) Backup Reserve Button Cell Batteries (Black) - Image 1](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)

## Available Options

This product comes in different **Style Name** options.

## Questions & Answers

**Q: Will this fit Alienware Alpha R2?**
A: I think ASIN:B087ZB1HQC  may fit for Alpha R2.The connector is different...

**Q: Is this the proper battery for hp ProBook 6560b? If not which one is.**
A: The connector is correct.The cable length is a bit shorter than the original one.

**Q: Is this the correct replacement for a Dell Inspiron 3050?**
A: Check your manual this is cr2032.  Thee pin,  your battery may be different. Look up model Cmos battery on amazon.

**Q: Will this fit a precision M6800?**
A: Yes,it's fit for M6800 perfectly.

## Frequently Bought Together

- LeFix CMOS Battery RTC Battery CR2032 Compatible with DELL D830 E6530 N4050 E7270;for HP CQ41 8440p G4;for ASUS S56 X611;for Samsung R467 R458,Black
- QLQXQTy 3V 2032 CMOS Battery with Wire Leads and MOLEX Connector 5PACK
- ARCTIC MX-4 (4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive

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**Shop now:** [https://www.desertcart.hk/products/266528279-2-pins-2-wires-bios-cmos-battery-for-dell-d830](https://www.desertcart.hk/products/266528279-2-pins-2-wires-bios-cmos-battery-for-dell-d830)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-19*