Simple Battery Graph displays an interactive graph of battery level. You can measure how much energy is consumed/charged per hour. *** If the graph is not updated, please disable the battery optimization for this app by the Android settings. You can open it from the menu of this app. *** How to use: - Drag on graph to scroll - Pinch in/out on graph to change time-axis - Drag green label on the bottom to change measurement period (Thick short green line indicates actual recorded point which i