One Switch: 1.28

The "Battery Lock" function digitally deactivates your battery if stolen. How to Use: Navigate to Settings > Lock & Alarm . Select the battery you want to protect.

While there isn't a single official "One Switch 1.28" product, several technical tools and apps recently released version that feature major switching or control updates. Depending on what you are working with, here are the most likely guides: Bosch eBike Flow App (v1.28) One Switch 1.28

Use ESPHome to flash the device for Home Assistant integration. One Switch 1.28