Qi2 vs MagSafe: What Changes When You Buy a Wireless Charger
Qi2 wattages come from WPC documents. MagSafe peaks come from Apple's charger page and tech specs. Match the phone, part number, and adapter before you buy.
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Charging
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USB-C Power Delivery Explained: What a Charger Can Actually Do
USB-C is the connector. USB Power Delivery is the separate power contract, with fixed voltages from 5V through 48V and a 240W ceiling on the 2021 USB-IF update.
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What Is PPS Charging? A Practical USB PD Guide
PPS is the Programmable Power Supply feature of USB Power Delivery 3.0. A shared charger budget can waste the higher PPS row once a second port is loaded.
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