Core Viewpoint - The article discusses the evolution of high-energy density batteries in smartphones, highlighting the trade-offs between charging speed and battery capacity, particularly in gaming-oriented devices. Group 1: Battery Technology and Market Trends - Two years ago, the introduction of high-energy density batteries in smartphones led to longer battery life but reduced charging speeds compared to previous models [1] - High-performance smartphones, which focus on gaming and performance metrics, have become the main players in the market, making slow charging speeds a potential drawback for users [3] Group 2: Charging Performance Analysis - By the fall of 2025, major brands are expected to achieve a balance between high-watt fast charging and large-capacity batteries, with some devices claiming output power of 100W to 120W [5] - A table summarizing charging performance shows that devices with higher nominal charging power generally achieve faster short-term charging speeds under low battery conditions [6][7] Group 3: Charging Strategies - Brands like Red Magic, OnePlus, and Redmi employ a "fast then slow" charging strategy, allowing for rapid charging to 80% in the first 20-30 minutes, but this results in noticeable heat generation during the process [12] - In contrast, iQOO and Honor adopt a "steady" charging approach, which minimizes heat during charging but may not be suitable for quick top-ups during gaming sessions [13]