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Slow Charger" Message: This message appears in the Battery section when iOS detects that a slow charger is being used, signaling a reduced charging speed.
Orange Charging Bar: Visible in both the 24-hour and 10-day battery usage views, this bar marks charging sessions when slower charging rates are in effect.
Low-Powered Wired Chargers: Wired chargers delivering 7.5W or less are classified as slow, offering limited charging speed.
Standard Qi1 Wireless Chargers: These typically deliver less than 10W of power, making them slower than MagSafe.
USB Ports in Cars or Hubs: Many USB ports in vehicles or multi-device hubs offer limited power, reducing charging speeds.
Chargers with Multiple Connected Devices: When multiple devices are connected to a single charger, power is split, slowing down each device’s charging rate.
Counterfeit Chargers: These may not provide the required power output, leading to slower-than-expected charging speeds.
Non-Certified Third-Party Wireless Chargers: Some third-party chargers advertise MagSafe compatibility but only deliver Qi speeds, which can be slower.
Connected Accessories: If accessories like headphones remain connected during wireless charging, iPhone limits power to 7.5W to ensure safe operation
Running High-Power Apps: Playing graphic-intensive games, streaming videos, or using high brightness while charging may slow down charging to control heat and power.
Charging in Warm Environments: Your iPhone may temporarily pause charging if it overheats to prevent damage, resuming once temperatures fall.
Use a USB-C Power Delivery Charger: For iPhone 15 and later models, use a USB-C cable, or a USB-C to Lightning cable for older models, to ensure faster charging.
Consider Apple’s MagSafe or Qi2 Wireless Chargers: These chargers offer faster speeds compared to standard Qi chargers and are optimized for iPhones.