Before you start
1. Match your battery and charger to the table on page 2.
2. Follow the charger instructions for power and battery connections. If
unsure, contact your dealer before starting.
3. Enable Bluetooth and allow the app to use it. Have internet access
available for online firmware.
4. Keep the charger powered and the phone nearby. Keep the app open
in the foreground throughout the update.
Get the app
digi charger
ALT Charger
1. Find the correct charger
Choose DIGIcharger from the Bluetooth device list
Open the app and allow Bluetooth access. On Device Connect, tap
Scan, then select DIGIcharger.
The example displays DIGICharger with a capital C. Do not select DIG-CS devices or DIGI1008.
If more than one matching charger appears, ask your dealer how to identify yours
before continuing.
2. Confirm the connection
Check the selected device before choosing firmware
1. Open digi charger on Android or ALT Charger on iPhone. Allow
Bluetooth access when prompted.
2. On Device Connect, tap Scan. Select DIGIcharger - the charger
Bluetooth name. Do not select a device with a different name.
3. Tap update at the bottom of the app.
4. Confirm that BLE Connected appears before selecting firmware.
If more than one DIGIcharger appears, do not guess. Ask your dealer how to
identify your charger before continuing.
3. Select your firmware
Open the Online Firmware list. Match the complete name, including
1100W or 900W, voltage and current.
Check your selection once more against page 2, then tap Firmware
Update. Keep the phone near the charger.
Use the online list for this procedure. The Local Firmware button is not needed.
Choose the correct firmware
1100W charger--For CS 100Ah and CS 100Ah Plus batteries
1100W-36V(43V8)25A CS 36V 100Ah / 100Ah Plus
1100W-48V(58V4)20A CS 48V 100Ah / 100Ah Plus
900W charger--For CS 67Ah Plus batteries
900W-36V(43V8)20A CS 36V 67Ah Plus
900W-48V(58V4)15A CS 48V 67Ah Plus
Do not choose by voltage alone. If your model is not listed or your charger rating
does not match, contact your dealer before continuing.
Wait for update success
Keep power, Bluetooth and the app uninterrupted
The update passes through these stages. 100% is not the final step.
1. Firmware transfer reaches 100%.Wait for the app to finish checking the firmware.
2. Firmware CRC Check.The app checks the transferred firmware. Keep waiting.
3. Update Success
Do not unplug the charger, turn off Bluetooth or close the app while the update is running.
5. Import the parameters
Complete this step after Update Success
Tap Parameter Import on the same screen. Keep the app open and wait for Import Success.
Completion checklist
1. Update Success is displayed.
2. Parameter Import finishes with Import Success.
If you need help
Stop and contact your dealer when the next step is unclear
Q: DIGIcharger not found
A: Check Bluetooth and the app Bluetooth permission. Keep the phone nearby and tap Scan again. Select DIGIcharger only; do not choose another device if it is missing.
Q: Model or firmware does not match
A: Do not start the update. Send your dealer a photo of the battery model label, charger rating label and available firmware options.
Q: Connection lost or update fails
A: Do not repeatedly power-cycle the charger or try other firmware versions.
Save a screenshot of the status or error and contact your dealer for recovery instructions.
Q: Parameter import fails
A: The procedure is not complete. Save the message shown and contact your dealer before using the charger.
Q: What to send your dealer
A: Include your battery model, charger label, phone type, app name, selected firmware and the stage where the problem occurred.
