Conclusion: Yes, it will, but the main reason is high temperature, not the act of playing games while charging itself. The P40 Pro has a rated capacity of 4100mAh and a typical capacity of 4200mAh.
The Huawei P40 Pro Smartphone Battery supports 40W fast charging.
Real-world test: 25℃, 50% brightness, 90Hz, 40W charger, 40% battery, playing “Peacekeeper Elite” for 30 minutes.
While charging and playing: Maximum temperature reached approximately 46℃,Huawei P40 Pro Smartphone Battery level dropped from 40% to 48%,
The Huawei P40 Pro’s charging power decreased to approximately 10W.
Playing without charging: Maximum temperature reached approximately 41℃, battery level dropped from 40% to 22%.
Reason: When playing games while charging, the processor, screen, and charging circuit all heat up. The system actively reduces power to protect the battery. Prolonged exposure to temperatures above 40℃ will accelerate
the aging of the Huawei P40 Pro’s battery; an occasional occurrence has little impact.
Recommendations for Huawei P40 Pro Smartphone Battery:
Avoid playing demanding games while charging.
If you must play, remove the case, lower the graphics quality, brightness, and volume, and turn off 5G and background apps.
Enable Smart Charging mode and Smart Peak Capacity.
Keep the Huawei P40 Pro battery between 20% and 80% charge, avoiding high-temperature charging.
If the battery health drops below 80%, official battery replacement is recommended.
In summary: Occasional use is acceptable, but long-term use will damage the Huawei P40 Pro Smartphone Battery Temperature control is more important than worrying about “playing while charging.”
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