In this blog, we will explore Battery GURU Optimizer, a project developed to improve battery life and resource usage on Samsung Galaxy devices powered by Exynos 9810 processors.
The blog covers what the module is, its features, requirements, installation steps, usage instructions, credits, FAQs, and more. By the end, you will have a clear understanding of how to use this optimizer to maximize your device’s battery performance.

Table of Contents
What is Battery GURU Optimizer?
Battery GURU Optimizer is an application/module created by Eliezer Brito (EliezerB03) to enhance battery efficiency on Samsung devices running One UI software and DS-ACK/Apollo-based kernels. It provides undervoltage tweaks, CPU clock limitations, and storage optimizations to reduce power consumption.
Features of Battery GURU Optimizer
- WebUI App with customizable settings based on One UI theme.
- Undervoltage optimizations for better efficiency.
- CPU clock limits (LITTLE/BIG capped at 1690 MHz).
- Power-efficient mode enabled.
- Storage optimizations for smoother performance.
- Additional tweaks for overall system stability.
Supported Devices
- Samsung Galaxy S9 / S9+
- Samsung Galaxy Note 9
- Samsung Galaxy Note 10 Lite
(All Exynos 9810 variants)
Requirements
- Android 13 / One UI 5+ ROMs
- Apollo v6.5+ or DS-ACK 1.0+ kernels
- Root access via KernelSU, Next, Apatch, or Magisk
Download
- App Version (APK) – for direct installation.
- Module Version (ZIP) – for flashing via KernelSU/Next/Apatch/Magisk.
(Important: Use either App or Module, not both.)
Install
- Download the latest APK or ZIP file.
- Grant root access using KernelSU/Next/Apatch/Magisk.
- If using the module, flash the ZIP file.
- Reboot your device.
- Enjoy optimized battery performance.
How to Use
- Open the WebUI app to customize settings.
- Adjust undervoltage and CPU clock limits.
- Enable storage and power-efficient tweaks.
- Monitor performance improvements after reboot.
Credits
- SchweGELBin – KSU Module Template.
- SamsungInternet – One UI Web Design.
- OneUIProject – System icons.
- topjohnwu – libsu libraries.
Changelog
The project is actively updated, with the latest release being v3.7.1 (March 2026).
Risks and Limitations
- Root access is mandatory, which may void warranty.
- Only compatible with Exynos 9810 devices.
- Incorrect installation may cause boot issues.
Alternatives
If your device is not supported, you can explore apps like Battery Guru, which provides monitoring and optimization features without kernel-level tweaks.
FAQs
No, use only one version at a time.
No, it is designed specifically for Exynos 9810.
Yes, root access is required.
Ending
Battery GURU Optimizer is a powerful tool for Samsung Exynos 9810 users who want to extend battery life and improve efficiency. With proper installation and usage, it can significantly enhance performance while reducing power drain. If you own a supported device, this module is worth trying to get the most out of your battery.


