WattCycle Bluetooth Guide
WattCycle Parallel Mode V25.9.28 has been officially released.
New Parallel Mode with two selectable modes:
- ExactMatch Mode: Precisely matches all paralleled batteries of the same WattCycle brand.
- Compatibility Mode: For parallel connections with batteries from other brands.
Update Guide:
1. Update the app to the latest version.
2. It is recommended to restore factory settings before configuring parallel connections (if you have already updated the settings).
Google Play Download
App Store Download
WattCycle Battery Monitoring APP V1.0 - User Manual
WattCycle’s official new Bluetooth Battery App is now available for both iOS and Android. iOS users can download it from the App Store by searching “WATTCYCLE” and Android users can find it on Google Play. The original version will remain active, so feel free to choose the one that suits you best. The latest version offers enhanced features—including New Parallel Mode, Fahrenheit conversion and parameter adjustments—to meet all your needs. Please update at your earliest convenience. For any inquiries, contact service@wattcycle.com.
For original version (BMS Meta) Password is 888888
New WattCycle Bluetooth APP (WattCycle®) no need Password
Note：Alternatively, you can leave a comment at the bottom with your email address. We will reply to you via email, as we are unable to respond to your comment directly.
Codes Meaning of Warning
This is the code meaning of the "Warnings page" in the Bluetooth APP.
| Codes Name |
Codes Meanings |
| CHG OT Alarm |
Charging over-temperature alarm |
| DSG OT Alarm |
Discharging over-temperature alarm |
| CHG UT Alarm |
Charging under-temperature alarm |
| DSG UT Alarm |
Discharging under-temperature alarm |
| ENV OT Alarm |
Environmental over-temperature alarm |
| ENV UT Alarm |
Environmental under-temperature alarm |
| MOS OT Alarm |
Mos over-temperature alarm exists |
| Cell OVP(V) |
Single cell over-voltage protection |
| Cell UVP Alarm(V) |
Single cell under-voltage protection |
| Pack OVP(V) |
Pack over-voltage protection |
| Pack UVP(V) |
Pack under-voltage protection |
| CHG OCP(A) |
Over-current during charging |
| DSG OCP(A) |
Over-current during discharging |
| Hardware protect |
Hardware protection |
| High CHG volt |
High charging voltage |
| CHG OTP(°C) |
Charging over-temperature protection |
| DSG OTP(°C) |
Discharging over-temperature protection |
| CHG UTP(°C |
Charging under-temperature protection |
| DSG UTP(°C) |
Discharging under-temperature protection |
| MOS OTP(°C) |
Mos over-temperature protection |
| ENV OTP(°C) |
Environmental over-temperature protection during charging |
| ENV UTP(°C) |
Environmental under-temperature protection |
| CHG ON |
Charging |
| DSG ON |
Discharging |
| CHG MOS Fault |
Charging MOS failure |
| DSG MOS Fault |
Discharging MOS failure |
| Temp fault |
Temperature failure |
| Cells fault |
Battery cell failure |
| Cell OV Alarm |
Single cell over-voltage alarm |
| Cell UV Alarm |
Single cell under-voltage warning |
| Pack OV Alarm |
Pack over-voltage alarm |
| Pack UV Alarm |
Pack under-voltage warning |
| CHG OC Alarm |
Charging over-current alarm |
| DSG OC Alarm |
Discharging over-current alarm |
| Hardware protect Alarm |
Hardware protection warning |
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