An app for supervising lithium batteries, which connects and manages lithium battery packs through Bluetooth connection. It can view battery data in real-time, including remaining capacity（SOC）, battery health（SOH） charging and discharging status, protection status, voltage, current, temperature, alarm, and single string voltage information. Users can always understand the battery situation. This software is intuitive, simple, fast, and convenient. Information instant visual query management through batteries