Battery capacity issue?

5 comments started 2024-08-07 last 2024-08-07
GivEnergy ProductsBattery
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#1 David N

I have recently had a system installed with an inverter and a 9.5kWh battery. Looking at my data over the past week the battery seems to charge from 0 to 100% in the morning, when solar is available and then discharge from 100% to 0% in the evening, when there is no solar but the house has demand. All fine, but the app only records around 4kWh of charge or discharge from the battery. Why am I only getting around half the battery capacity? Has anyone else experienced similar issues?

#2 Cdent

David N did the battery complete commissioning? It should have done a full discharge and then charge, if it hasn't done this that might cause the issue, get in touch with your installer if this is the case

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#3 TimHutchings

David N Sounds like the battery needs recalibration.

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#4 wilfleek

Also, what battery charge limits are set on the portal?

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#5 David N

Thanks all - installer thinks it was an issue with calibration. Apparently it thought it was a smaller battery. GivE are going to recalibrate.