Screen layouts vary by software version and trim level. This guide covers common elements found on most Subaru charging displays.
When you plug in your Subaru Solterra and charging begins, the dashboard (or center screen) shows you key information about the session. Knowing what each number means helps you make better decisions about when to unplug, whether the charge rate is normal, and if something needs attention.
What the numbers mean
State of Charge (SoC)
This is your battery percentage. It tells you how full the battery is right now. Your Subaru Solterra has approximately 69 kWh of useable battery. At 50%, you have roughly 34.5 kWh of energy stored. Check your vehicle's manual for exact capacity.
Charge rate (kW)
This shows how fast energy is flowing into your battery right now. Your Subaru Solterra can accept up to approximately 150 kW on a DC fast charger or up to 6.6 kW on an AC charger. The actual rate depends on battery temperature, state of charge, and the charger's capacity.
Time remaining
An estimate of how long until your battery reaches the charge limit you have set. This number fluctuates as the charge rate changes. On a DC fast charger, your Subaru Solterra typically goes from 10% to 80% in approximately 30 minutes under good conditions.
Energy added (kWh)
How much energy has been delivered to your battery during this session. This is useful for estimating cost, since most public chargers bill per kWh.
Range estimate
The dashboard converts your battery percentage into an estimated driving range. Your Subaru Solterra has a WLTP rated range of approximately 415 km at 100%. Keep in mind that actual range varies with driving style, temperature, speed, and terrain. Check your vehicle's manual for the official range figure.
Charge limit
The charge limit tells your car when to stop charging. You can usually set this from the dashboard, the center screen, or the manufacturer's app.
For daily driving, a charge limit of 80% is a common recommendation. This can help preserve long-term battery health on most battery types. Only charge to 100% when you need the full range for a trip. Check your Subaru Solterra's manual for the manufacturer's specific recommendation, as it varies by battery type and model year.
Why does the charging speed change?
You will notice that the charge rate (kW) is not constant during a DC fast charging session. This is completely normal. Here is what happens:
- Ramp-up: The session starts at a lower power while the charger and battery negotiate. It takes a minute or two to reach peak speed.
- Peak charging: Once the battery is warmed up and conditions are right, the charge rate reaches its maximum. Your Subaru Solterra peaks at up to 150 kW.
- Taper: As the battery fills above about 80%, the charge rate slows down significantly. This protects the cells from damage. Charging from 80% to 100% often takes as long as 10% to 80%.
If your Subaru Solterra supports battery preconditioning, navigating to a fast charger using the built-in navigation can warm the battery to the optimal temperature before you arrive. This helps you reach higher charge speeds, especially in cold weather. Check your vehicle's manual for preconditioning availability.
Common warnings during charging
Your Subaru Solterra may show warnings on the dashboard during charging. Most of these are informational, not emergencies.
Battery too cold
The battery temperature is below the ideal range for fast charging. The car will charge at a reduced rate until the battery warms up. If your car supports preconditioning, use the built-in navigation to warm the battery before arriving. Otherwise, driving at highway speeds before charging helps warm the battery naturally.
Reduced charging speed
The charge rate is being limited, usually because of battery temperature or a high state of charge. This is the battery management system protecting the cells. It is normal behavior, not a fault.
Charging complete
Your battery has reached the charge limit you set. Unplug and move your car when you can. Some chargers charge idle fees if you stay connected after the session ends.
Check charge port
The car is not detecting a proper connection with the charger cable. Try unplugging and reconnecting the cable firmly until you hear or feel a click. If the message persists, check for debris in the port or try a different charger.
Quick specs (approximate)
- Battery
- ~69 kWh
- Max DC charging
- up to 150 kW
- Max AC charging
- up to 6.6 kW
- 10-80% time
- 30 min
- DC connector
- CCS2
- AC connector
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