This App is only for Wetac Battery Company Bluetooth Lithium.
"This App is only for Wetac Battery Company. Bluetooth LiFePO4 battery which base on bluetooth4.0 BLE technology.
FEATURES: * No need for a separate battery monitor…save hundreds of dollars! * Wirelessly connect to each battery from your phone. * Access each BMS independently with multiple batteries. * Track Cycle Life on each battery. * Displays State Of Charge (SOC) percentage with circle graphic. * Display voltage, charging or discharging current, and temperature. * Easy to read gauges. * Battery Events displayed in easy to understand text. * As the Android system openness,different cellphone manufacturer will have their own customized feature on the Android. So the APP can not work well on some cellphones due to compatible issue."