Why does your 65-watt charger not always charge your phone faster?
In short: Understanding phone wattage requires looking past the numbers on the brick. This video breaks down the physics of electricity and the communication protocols that dictate how much power your device actually accepts.
The video explores the fundamental relationship between voltage, current, and electrical power to explain why charging speeds vary. It highlights that while a charger might be capable of high wattage, the actual speed is governed by how chargers communicate with devices to negotiate specific requirements. Key factors influencing performance include battery capacity, heat management, and the fact that many phones intentionally slow down charging as they reach full capacity. The content clarifies whether using a higher-wattage charger poses safety risks and provides guidance on selecting the correct hardware for different device needs.
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Sources
- Summary by Intellect · source: Why Do Phone Chargers Have Different Wattages?
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