or watch a quick demo video →
A: Possibly false positive. Votol software is not signed with an EV certificate. Upload the file to VirusTotal. If 1–2 engines flag it (e.g., “RiskWare”), it’s likely safe. If 10+ flag it, delete immediately.
You’ve downloaded Votol software, installed drivers, and backed up the original config. Now, before sending new parameters to the controller:
One last warning: Never change the “Motor Direction” or “Hall Angle” values without a proper calibration tool. That’s the #1 reason controllers appear dead.
Many ESCs use a USB-to-serial chip (CP210x, CH340, or Silicon Labs). If your PC doesn’t recognize the device:
macOS generally doesn’t need extra drivers for modern USB-C devices, but older chips may require drivers; check the ESC documentation.
Want a safer, real-world story? I can write one about a technician who uses genuine Votol software to diagnose a faulty e-bike and save a delivery driver’s livelihood. Just let me know!
Votol software is used to tune and adjust parameters for EM series electric vehicle controllers
. While there is a latest "universal" version, specific legacy versions exist for older hardware series. Official Download Sources The most reliable source for Votol software is
, an official distributor and technical support provider for Votol products. Latest Universal Version (V60)
: Compatible with all Votol controller series, including legacy and newer "-2" models. Specific Series Software : Available on the SiAECOSYS Download Page for models like the , and the newer EM-2SP series Firmware and Community Files : If official links are down, the Endless Sphere forum maintains a community-hosted repository of various firmware versions ( ) and software installers. Essential Setup Requirements To use the software, you must have the following: USB-to-Serial Adapter
: A TTL-to-USB cable is required to bridge the controller to your PC. USB Drivers
: You must install the "USB-to-serial" driver (often for Windows 10/11) before the software can communicate with the controller.
: Detailed instructions for parameter tuning (voltage, current limits, and sport mode) can be found in the VOTOL EM Controller Manual Platform Compatibility : The primary platform for all tuning software versions. Android/iOS
: Native mobile apps are limited. While some third-party projects like
exist for remote monitoring via Bluetooth dongles, most professional tuning still requires a PC. Which specific Votol controller model ) are you trying to program? VOTOL FIRMWARE (apk, software, .bin, .ini) - Endless Sphere 17 Nov 2025 —
Votol software is the primary tool for programming and tuning Votol sine wave controllers (like the EM50, EM100, and EM150 series) to optimize electric motorcycle and scooter performance. Where to Download Votol Software
Official software is typically distributed through manufacturer and authorized partner sites.
Official Manufacturer: The Votol After Sales Page provides links to Votol Software and Votol EM-2 series software. Download Votol Software
Authorized Distributors: Platforms like SiAECOSYS and Deller.pro host direct download links for the standard Votol Controller Software and the specific EM-2SP version.
Community Repositories: Advanced users often find specific firmware versions (.bin or .ini files) on community forums like Endless Sphere. Software Version Compatibility
Using the correct version is critical to avoid connection errors:
Version V60 (Latest): Optimized to be compatible with all Votol controller series.
-2 Series Software: Specifically for models like the EM150-2SP and EM200-2.
Standard Software: For non "-2" series models, such as the standard Votol EM150. Installation and Connection Guide
USB Driver: Download and install the CH341SER.EXE or "USB-to-serial" driver to ensure your Windows PC recognizes the programming cable.
Hardware Connection: Connect the controller to your PC using a Votol-specific USB-to-serial (TTL) cable. Ensure the controller is powered on (often requiring the electric lock wire to be connected to B+).
Port Selection: Open the software and identify the correct COM Port in your PC's Device Manager. Manually select or type this port into the Votol software.
Connecting: Enable the CAN setting (if your controller supports it) before clicking "Open" and then "Connect". Mobile Apps & Bluetooth
While a desktop PC is the standard for full tuning, some models support mobile configuration:
Votol Software: Version Introduction, Download & Installation
Understanding Votol Software for Electric Vehicle Controllers
Votol controllers, manufactured by companies like Siaecosys, serve as the primary management system for various electric vehicles, including e-mopeds and electric motorcycles. This software is used to interface with the controller to view diagnostics and manage system settings. Accessing the Software
The software used for these controllers, such as the Votol EM series, is specialized industrial software. It is generally not available through consumer app stores.
Manufacturer Support: The primary source for official software and the necessary USB-to-TTL drivers is the manufacturer's official technical support portal.
Documentation: Official manuals provided by the manufacturer are essential for understanding the specific communication protocols and hardware requirements for different controller models (e.g., EM-50, EM-100). Hardware Requirements A: Possibly false positive
Connecting a computer to a Votol controller typically requires specific hardware interfaces:
Programming Cable: A dedicated USB-to-TTL serial adapter compatible with the controller's pinout.
Operating System: Most versions of the diagnostic software are designed for Windows-based environments.
Driver Installation: Proper communication requires the installation of specific chipset drivers (such as CH340 or PL2303) to allow the computer to recognize the connection via a COM port. Safety and Professional Calibration
Adjusting the parameters of an electric vehicle controller involves high-voltage systems and critical performance settings. It is important to note:
Risk of Damage: Incorrectly configuring current limits, voltage thresholds, or phase angles can result in permanent damage to the controller, the motor, or the battery.
Operational Safety: Improper settings can cause the vehicle to behave unpredictably, posing a risk to the rider and others.
Warranty and Compliance: Unauthorized modifications often void manufacturer warranties and may result in the vehicle no longer complying with local transportation regulations.
For these reasons, any calibration or troubleshooting involving Votol software should be conducted by trained technicians or under the strict guidance of the manufacturer's official technical documentation. Always ensure a backup of the original factory configuration is maintained before attempting any diagnostic procedures.
To download Votol software for tuning electric motorcycle and bike controllers, the most reliable source is the official manufacturer and authorized distributor websites. Official Download Sources
SiAECOSYS (Official Distributor): Offers a comprehensive list of Votol software versions, including the latest unified V60 version which is compatible with all series. You can find downloads for various EM models (EM30, EM50, EM100, EM150, EM200) on the SiAECOSYS Instructions For Use page.
Votol Official Website: The Votol After Sales section provides direct links for standard Votol software and the specific EM-2 series software.
Deller.pro: Provides alternative download links for Votol Controller Software and the EM-2SP version. Software Version Guide
Before downloading, ensure you select the correct version for your hardware:
V60 (Latest): Optimized to be compatible with all Votol controller series.
EM-2 Series: Specifically for "-2" series controllers like the EM150-2SP and EM200-2.
Standard Series: For non "-2" series controllers, such as the standard EM150. One last warning: Never change the “Motor Direction”
Specific Firmware: For advanced users, community forums like Endless Sphere host various firmware versions (.bin files) and legacy software versions for specific models. Installation & Drivers
A successful connection requires both the tuning software and the correct USB drivers:
USB Driver: Most Votol cables use the CH341 or PL2303 chipset. Drivers like the "YH-340 USB package" are required for your PC to recognize the controller.
Connection: Use a Votol-specific USB-to-serial cable. Connect the cable to the controller first, turn on the bike/battery, and then plug it into your computer.
COM Port: Check your PC's Device Manager to identify the assigned COM port (e.g., COM3) and match this in the Votol software settings.
Important Safety Note: Only professional or technical personnel should adjust controller parameters, as incorrect settings can lead to motor or controller failure.
Blog Title: The Ultimate Guide: How to Download and Install Votol Controller Software (EM Series)
Meta Description: Need to tune your Votol EM-30, EM-100, or EM-150? Follow this step-by-step guide to download the correct Votol software, avoid common malware traps, and connect to your EV controller.
If you are building an electric motorcycle, upgrading a scooter, or fine-tuning a conversion project, you have likely heard of the Votol EM series controllers. They are powerful, affordable, and highly customizable—but only if you have the right software.
Finding the correct Votol software download can be frustrating. Most forums offer broken Google Drive links or outdated versions that crash on Windows 11. In this post, I will show you exactly where to get the official Votol PC software, how to install it, and how to connect it to your controller without the "Connection Failed" error.
Option A: Official Manufacturer (Recommended)
Visit the support portal of your motor supplier. For QS Motor motors, go to their official "Download" section. Look for a zip file named Votol_Config_EM_USB_V2.xx.zip.
Option B: Verified Community Sources (Use with caution) If your seller is unresponsive, trusted EV forums like Endless Sphere or DIY Electric Car often host clean copies. Look for threads with "Votol software repository."
Option C: Direct sellers If you purchased from Alibaba (e.g., SIAECOSYS or Votol official store), message the seller directly for the latest "上位机软件" (Host computer software).
Forums like Endless Sphere have sticky threads where long-time members upload clean versions. Look for posts by users with high post counts (e.g., “Fany”, “Plain”).
Search string: site:endless-sphere.com "Votol software" download
Several EV enthusiasts have archived Votol software versions on GitHub under repositories like votol-tools or OpenInverter.
Example:
github.com/username/votol-em-config/releases
Always scan ZIP files with VirusTotal before extracting.
Because Votol’s official Chinese website (suzhouvotol.com) has historically offered broken or outdated links, the EV community relies on trusted alternatives. Below are the three safest methods to download Votol software as of 2025.