Mastering Bluetooth: A Step-by-Step Guide

March 17, 2025
Posted by Watt Cycle

WattCycle Bluetooth Guide

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

Posted in

Guide

Back to News

Ran my FTDX10 for a week in the mountainous

The 12v 100ah mini smart battery did great job running all my ham gear for several days with out recharging. Very happy with the size, weight and performance.

aun no he podido instalarla estoy a la espera de

aun no he podido instalarla estoy a la espera de la nueva autocaravana y de seando poder disfrutarla gracias

battery capacity is significantly less than promised

running cycle tests on my new 314ah mini indicates a total capacity of less than 1 kilowatt hour.

Good

Good product

Perfect Battery for my Class A Motorhome

Paired with a 3000W inverter in my Class A Motorhome the 300amp BMS exceeded expectations. The Bluetooth app works great as well.

If you’re thinking about which battery to pull the trigger on, go with this battery, you won’t be disappointed.

Mastering Bluetooth: A Step-by-Step Guide

WattCycle Bluetooth Guide

Codes Meaning of Warning

YOUR CART (0)

Add Order Note

Let customers speak for us

Mastering Bluetooth: A Step-by-Step Guide

WattCycle Bluetooth Guide

Codes Meaning of Warning

Add Order Note

2025 Black Friday Early Access

Let customers speak for us