C12460A Firmware Updating Guide

Overview

This guide will walk you through updating both the Energy Management System (EMS) and the Battery Management System (BMS) firmware on the C12460A battery using the Epoch Li-Ion app. Carefully follow all steps to avoid interruptions or possible update failures.

• Estimated Installation Time: 5–10 minutes
• Important: Keep your mobile device unlocked and near the battery throughout the process. Moving out of Bluetooth range or allowing your phone to lock might interrupt the update.

Requirements

• A smartphone or tablet (iOS or Android) with a stable internet connection.
• The Epoch Li-Ion app installed (available on Apple iOS and Android).
• The C12460A battery and its included wiring harness.

Preliminary Steps

1. Download and Install the Epoch Li-Ion App

• Download the app (available on Apple iOS and Android).
• Follow the on-screen prompts to complete the installation.

2. Connect the Wiring Harness

• Locate the wiring harness included with your battery.
• Securely connect it to the C12460A battery.

3. Power the Battery On

• Turn on the battery to activate its Bluetooth signal in preparation for the firmware update.

Establish Bluetooth Connection

1. Launch the Epoch Li-Ion App

• Open the app on your mobile device.
• Grant any Bluetooth permissions requested.
• Android Users: Enable Location Services if prompted (required for optimal Bluetooth scanning).

2. Locate the Battery on the Bluetooth Page

• Look for the device name in the format HxxEBPxxxx.
• If the battery is not listed, ensure it is powered on and Bluetooth is enabled on your device.

3. Connect to the Battery

• Tap the toggle switch beside the battery name (HxxEBPxxxx) to initiate pairing.
• Once connected, you should see a confirmation in the app.

4. Navigate to the About Page

Important Notes Before Updating Firmware

• DO NOT let your phone's screen lock or move out of Bluetooth range.
• DO NOT power off the battery manually during the update.
• Ensure both your phone and the C12460A battery have sufficient charge to avoid losing power mid-update.

Firmware Update Installation

1. LONG PRESS OTA BUTTON - A PASSWORD PROMPT SHOULD APPEAR. PASSWORD = test

• On the About page, locate and LONG PRESS OTA.
• After long pressing OTA and entering the advanced OTA setting, you will see two options for updating: EMS and BMS.

2. Select EMS Update First (IMPORTANT - EMS Must be updated prior to BMS)

• Tap the EMS option to begin downloading the firmware.
• Wait for the download to complete.

3. Start the EMS Installation

• Once the download finishes, tap Start to install the EMS firmware.
• During installation, do not exit the app or move out of range.

4. Battery Power Cycle

• After successful EMS installation, the battery will power off and restart.
• The app will briefly disconnect from Bluetooth.

5. Reconnect to the Battery

• Return to the Bluetooth tab in the app.
• Tap the toggle switch next to HxxEBPxxxx to re-establish the connection.

6. Navigate Back to the About Tab

7. Repeat the Process for BMS Update Making sure to LONG PRESS THE OTA BUTTON (Password = test) and then select BMS

• Tap OTA once more and select the BMS firmware update.
• The download will begin, and once finished, tap Start to proceed.
• Note: The progress bar may appear to stall around 60%. This is expected; you can monitor update progress on the battery’s State of Charge (SOC) meter.
• When the BMS update completes, the battery will power off again and remain powered off.

8. Finalize the Firmware Update

• Tap Finish in the app, then Confirm when prompted.
• Exit the application after completion.

Post-Update Steps

1. Wait 30 Seconds

• Allow the battery to remain off for at least 30 seconds to ensure all internal processes finalize properly.

2. Power the Battery On

• After 30 seconds, turn the battery back on.

3. Reconnect to the Application

• Relaunch the Epoch Li-Ion app.
• Tap the toggle switch next to HxxEBPxxxx on the Bluetooth page.

Troubleshooting Tips

Battery Not Appearing in the App:

• Ensure the battery is turned on.
• Confirm Bluetooth is enabled on your mobile device.
• Toggle Location Services (on Android) and restart the app.

Update Appears Stalled:

• Wait at least two minutes before taking action.
• Check SOC meter changes to monitor progress.
• If the process does not move forward after several minutes, force-close the app, reboot your device, and retry.

Congratulations!

Your C12460A firmware has been successfully updated. By following this guide carefully, you have ensured your battery’s EMS and BMS are running the most current firmware available.

If you encounter any issues or need further support, visit: Epoch Batteries Support.