batt.dll Informations - Download and Fix

Sometimes Windows system displays error messages regarding corrupted or missing batt.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent batt.dll file can therefore effect in failed execution of the started process.

batt.dll file Battery Class Installer. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of batt.dll related errors on your device. You can also download batt.dll file compatible with Windows 7, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 7, Windows Vista, Windows XP

File info

General information
Filename batt.dll
File extension DLL
Description Battery Class Installer
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Driver
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)

There are various types of errors related to batt.dll file. batt.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to batt.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • batt.dll is corrupted
  • batt.dll cannot be located
  • Runtime Error - batt.dll
  • batt.dll file error
  • batt.dll file cannot be loaded. Module was not found
  • cannot register batt.dll file:
  • batt.dll file could not be loaded
  • batt.dll file doesn't exist



Application could not be started because batt.dll file is missing. Reinstall the application to solve the problem.


Problems related to batt.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing batt.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

batt.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with batt.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to batt.dll file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of batt.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to batt.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the batt.dll file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the batt.dll file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the batt.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace batt.dll file

The last solution is to manually download and replace batt.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded batt.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of batt.dll file example directory paths.

  • Windows 7: C:\Windows\System32\
  • Windows Vista: C:\Windows\System32\
  • Windows XP: C:\WINDOWS\system32\dllcache\

If the steps did not solve your batt.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename batt.dll
System Windows 7
File size 103424 bytes
Date 2009-07-14
File details
MD5 e8c2c855aadaeea8cbb879246bfa7b9e
SHA1 0a1e39fe39bf0267acfe9dd429b1bfe461918f88
SHA256 698aa48bae2cd4ef362ab52135149f782feb1f94b114f4da046411a7b300d6d9
CRC32 b43d0f09
Example file location C:\Windows\System32\
Filename batt.dll
System Windows Vista
File size 15360 bytes
Date 2008-01-21
File details
MD5 b5068c648ff5ecb78a6c3186672eee31
SHA1 6e03e929052a83750633ea32d2d843fba4be27af
SHA256 b6bff7e0af71b3f29637b5b0927a4a01930ecf5dbbc5c8968f9e0d9e404b2d31
CRC32 b7771c12
Example file location C:\Windows\System32\
Filename batt.dll
System Windows XP
File size 8704 bytes
Date 2008-04-14
File details
MD5 a956751ef995df776f19831123868a83
SHA1 e59cf184cbcb5ae19053f8208b920ee7964ca8d5
SHA256 86acf66d66d3420892080420cc27e3b5ea62abc3c2fdc75755d26bcb5ffbccd9
CRC32 9991c17e
Example file location C:\WINDOWS\system32\dllcache\