Historic data - Charts
Introduction
Charts are available for the following metrics:
- Overview (Grid, Solar and load)
- Battery voltage
- Battery current
- Battery watts
- Battery state of charge
- Battery temperature
- PV power per MPPT
- PV voltage per MPPT
- PV current per MPPT
- Load power
- Essential load power
- Non-essential load power
- Grid power
- Grid voltage
- Grid frequency
- Inverter temperature
- Bus voltage
- AC output voltage
Navigation and content
Open charts by selecting the chart tab. Hovering a chart via web or tapping on the chart via mobile app displays a tooltip of the data at that point in time. If you are running multiple inverters in parallel you will see multiple lines on the chart as in the example below.
![Axpert parallel charts in SolarAssistant](https://d26qlef5ak4prm.cloudfront.net/images/help/historic_data/parallel-c9c600e5386c404ef4b8c72fa6ba979b.png?vsn=d)
Zoom
To zoom, click and hold to select a region of the chart.
![Zooming SolarAssistant chart](https://d26qlef5ak4prm.cloudfront.net/images/help/historic_data/zoom-d2e68b3d5e2df8b4ef698a75cd696fbe.png?vsn=d)
All charts will zoom to the selected time range.
![Zoomed in SolarAssistant chart](https://d26qlef5ak4prm.cloudfront.net/images/help/historic_data/zoomed-6939637f7b9d4fa82b80da8d056e5ff8.png?vsn=d)
Selecting a time range
Use the time range selector if you would like to select a specific range or view historic data.
![Adjusting time range of SolarAssistant chart](https://d26qlef5ak4prm.cloudfront.net/images/help/historic_data/time_range-cd754ec7bb7dcf3600bcb68bc7fe2413.png?vsn=d)