This APP is only for UMXLI Lithium LiFePO4 Battery which based on bluetooth 4.0 BLE technology 1. UMXLI Battery is used for monitoring Lithium LiFePO4 battery. 2. Measuring distance no more than 5m. 3. The APP only can connect one LiFePO4 battery every time. 4. This APP can monitoring voltage, current, temperature and cycle life, etc
