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

iOS app for Xiaoxiang / jiabaida BMS (JBD-SP15S001 / JBD-SP05S002) allows you to monitor voltage of the cells, total capacity, charging/discharging current and alarms temperatures on your iPhone or Apple Watch.
Additionally you can switch the battery (charging and discharging ports) off.

Note: I'm not manufacturer of this BMS. If you have questions or want to buy one, contact one of the manufacturers: https://www.lithiumbatterypcb.com/

App Features:
- change bluetooth advertised name
- for BMS firmware > v20: unlock hardware protected bms
- Notifications support on iPhone and Apple Watch
- saving / restoring BMS configs
- set PIN code for BMS and config access (only iOS)
- calibrate cells voltage and charging / discharging current
- show basic data on Apple Watch
- simple logging of max voltage, current and power
- enable and configure Balancer
- change BMS capacity setting
- switch the battery output on/off
- monitor temperature, cell voltages, current, power and temperature
- monitor BMS alarms
- Supported Languages: English, German, Polish, Chinese, French, Spain

For missing features or problems using the app submit an Issue on GitHub: https://github.com/smagicld/xiaoxiangBMS/issues