Norman Powell pumped in 25 points as the Miami Heat — backed by the highest-scoring quarter in the franchise’s 38-year history — defeated the visiting Charlotte Hornets 126-108 on Friday in NBA Cup action.

Miami scored 53 points in its record-breaking first quarter — the second-highest scoring for a first quarter in league history — shooting 67.7% overall (21 of 31) and 66.7% (10 of 15) on 3-point attempts. The Heat had 13 assists and zero turnovers in the period.

Jaime Jaquez Jr. finished with 18 points, nine assists and eight rebounds for Miami, which entered the game ranked fourth in the NBA in scoring average (122.4) and was without its two All-Stars: Bam Adebayo (toe) and Tyler Herro (ankle).

Kon Knueppel, Charlotte’s rookie first-round pick, scored a game-high and a season-best 30

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