WATTSTUNDE app analytics for December 24

This App is only for WATTSTUNDE GmbH. Easy to use tool for monitoring your lithium battery! * The phone requires bluetooth4.0 with BLE (bluetooth low energy) functions. * Android 4.3 or later * Operating distance: <= 5m *The APP only can contact with one battery at one time. * If you want to connect this battery with another mobile phone, pls exit this app program from the first mobile phone. * The Android system is an open platform. Not every smartphone manufacturer complies and some have customized features. So the APP may not work on all smartphones due to compatible issue.