Sungrow Battery Grid Import / Charging Issue

I installed a Sungrow SH10RS 10 kW hybrid inverter with a 44.8 kWh SBR224 battery, connected to my 6.6 kW solar panel system. I’m facing an issue with forced charging from the grid. The inverter initially imports 10 kW from the grid, but after 20-30 minutes, it drops to around 7-6 kW. Has anyone else faced a similar kind of issue?

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