Apps like 123\SmartBMS

Here are some great alternatives to 123\SmartBMS by Albertronic B.V. :
BAT-BMS
BAT-BMS
★3.4
Overkill Solar
Overkill Solar
★3.6
PowerMon
PowerMon
★4.6
LiFeBlue
LiFeBlue
★3.9
Voltage
Voltage
★4.6
HLX iT
HLX iT
★3.8
Battery Charging Monitor
Battery Charging Monitor
★3.9
Battery Manager
Battery Manager
★4.7
WiFi Battery Charger
WiFi Battery Charger
★4.2
Battery Guru: Battery Health
Battery Guru: Battery Health
★4.6
EnergyZ
EnergyZ
★4.7
Smart Battery Alerts
Smart Battery Alerts
★4.4
Battery Health Checker
Battery Health Checker
★3.4
Device Info - PhoNetInfo PRO
Device Info - PhoNetInfo PRO
★4.5
Battery Information
Battery Information
★4.0
Device Info - PhoNetInfo
Device Info - PhoNetInfo
★4.3