1 Subjects: “...state of charge (SOC)...”

2 Subjects: “...state of charge (SOC)...”

3 Subjects: “...state of charge (SoC)...”

4 Subjects: “...state of charge (SoC)...”

5 Subjects: “...state-of-charge (SOC) equalization...”

6 Subjects: “...state-of-charge (SOC) balancing control...”

7 Subjects: “...state of charge SoC...”

8 Subjects: “...state of charge SoC...”