iOS app for Xiaoxiang / jiabaida BMS (JBD-SP15S001) to monitor voltage of the cells, total capacity, charging/discharging current and temperatures.
Additionally you can switch the battery (charging and discharging ports) off.

With Xiaoxiang / jiabaida BMS you can build simple Li-Ion or LiFePo4 battery packs. For camping, car, solar or e-bikes.

Xiaoxiang BMS can be easily extended with an bluetooth adapter. It makes possible to monitor temperature, voltage, single voltage cell and alarms on your smartphone.

Currently the app allows you:
NEW: calibrate cell voltage
NEW: shows basic data on Apple Watch
NEW: simple logging of max voltage, current and power
- Enable and configure Balancer over the App (Config section)
- Enable and configure Balancer over the App (Config section)
- Calibrate charging, discharging and idle current
- change BMS capacity setting
- switch the battery on/off
- monitor temperature
- monitor battery voltage
- monitor single cell voltage
- check wheater cell is balanced or not
- monitor charging and discharging current
- monitor alarms

If you miss some features or have problems using the app, please open an issue at GitHub. Thanks!

What’s New

Version 1.1.0

* Config Screen: New config screen for cell voltage calibration
* BMS Screen: New section with BMS information like manufacturing date, name and protection counters (how many times protection xyz was activated)
* Connection Screen: Bluetooth devices list sorted by name
* Info Screen: InApp purchases restore
* InApp purchase: writing to BMS is now Pro function. for next 2 months it is for free, so everyone who bought the app before can get this functionality.

Ratings and Reviews

jkf10 ,


The application is very useful for me on my electric motorcycle ... I just want to add a little security and anyone who has this app can access my battery and of course my bike

Developer Response ,

Will come in next release.


Lukas Deszynski
30.1 MB
Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© 2018 Lukas Deszynski
In-App Purchases
  1. Pro Version Free


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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