Roamer SMART
We've made managing your battery super simple with our Roamer SMART app which will help you to track and monitor the status of your battery from the comfort of your campervan, boat or home.
You can download your BMS app from the App Store or Play Store – make sure you get the right one for your battery. This guide relates to the new SMART4 battery app only. The correct app for SMART4 batteries is called the ‘Roamer SMART’ app. For older models and app versions please contact Roamer Support
BMS set-up guide
Download the app from the App Store or Play Store. During installation, make sure you allow Bluetooth and GPS connections when prompted or you will not be able to connect (don't worry we do not collect your data).
Move within 10m of your battery and begin searching. Click your battery from the device list and enter the pairing password. The default password is 1234. This can be changed later if required.
After connection you will see the main battery status page, this gives you all the key information you need to monitor your battery in real time
including state of charge, current, voltages and protection warnings.
Key features
The first thing you’ll notice is the large state of charge dial suggesting how much battery is remaining. Also, pay close attention to the voltage too as this is a key indicator of the battery state of charge -voltage is a true indication of the battery state whereas the percentage is a calculated value and can be incorrect if it has not been calibrated recently. The most important BMS protections are controlled by voltage so don’t worry if it says 100% and it’s still charging – until it reaches 14.4V then it is not actually full.
The status tabs below the state of charge dial indicate what modes are currently active. So for example, when charge and discharge are highlighted – this means that both charge and discharge are enabled and there are no protections in place. The written status message also tells you what is going on with the battery, in normal circumstances it will tell you the battery is working perfectly but if there are any BMS protections active then it will tell you.
BMS controls & settings
In order to use the battery controls and change BMS parameters, you will need to enter a password. The default password is 638203. As with the pairing password, this can be changed but if you do so, please make sure you chose a memorable number and write it down somewhere safe.
The controls at the top of the page allow you to set whether the battery is allowed to charge / discharge, set the Smart Sleep and Float charge modes, activate emergency mode and disable the charge limiter function. By default the first four should be highlighted and the last two should be ‘off’. You are unlikely to need to change these regularly and we recommend you leave these on the default settings. The Roamer SMART app allows you to change BMS parameters but we strongly recommend you do not change any of these settings without speaking to Roamer first. Any changes made here will affect the operation of your battery and the protection mode thresholds which can lead to unexpected problems.
Tips for using BMS
We have provided some additional tips below to help you track and monitor your battery with ease.
KNOWLEDGE BASE
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Knowledge Base
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