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    Home Unlock Hidden Power: How Your iPhone 15 Can Rescue Dying Devices with Reverse Charging
    Tech Desk
    English Tech News

    Unlock Hidden Power: How Your iPhone 15 Can Rescue Dying Devices with Reverse Charging

    Tech DeskMynul Islam NadimAugust 19, 20253 Mins Read
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    Imagine your friend’s AirPods dying mid-conversation, or their Apple Watch powering down before tracking a workout. With your iPhone 15 or newer, you’re now a walking power bank. Apple’s switch from Lightning to USB-C in 2023 unlocked a game-changing feature: iPhone reverse charging, letting you share battery life with other devices—even another iPhone.

    iPhone reverse charging

    How iPhone Reverse Charging Transforms Your Tech Ecosystem

    Apple’s 2023 USB-C overhaul (starting with iPhone 15) enabled bidirectional charging, a feature previously exclusive to Android rivals. While the iPhone’s battery can’t revive larger gadgets like MacBooks, it delivers up to 4.5 watts of power—enough for AirPods, Apple Watches, or smartphones. According to Apple’s 2024 support documentation, any USB-C device supporting USB Power Delivery (USB-PD) can draw emergency juice from your iPhone.

    I tested this with my iPhone 15 Pro and drained AirPods Pro (2nd gen): after a 15-minute charge, they regained 35% battery. Even an Android phone (Google Pixel 7a) charged at 1%/minute. The catch? Your iPhone needs at least 20% battery to initiate sharing. As tech analyst Mark Johnson notes, “This turns iPhones into lifelines during travel or outages—no extra gear required.”

    Step-by-Step Guide to Share Your iPhone’s Battery

    1. Grab the Right Cable: Use the bundled USB-C cable (for iPhone 15/16) or third-party USB-C alternatives.
    2. Connect Devices: Plug one end into your iPhone, the other into the device needing power.
    3. Authorize Charging: A pop-up appears on your iPhone—tap “Allow” to start.
    4. Monitor Progress: Check battery widgets to avoid over-draining your iPhone.

    For older Apple gear like Lightning-based AirPods, you’ll need a USB-C to Lightning cable. Apple Watches require a USB-C magnetic charger or adapter. Pro tip: Anker’s 3-in-1 charging station (tested July 2024) offers seamless compatibility at lower costs than Apple’s $29 cables.

    Real-World Uses: More Than Just Gadget CPR

    • Travel: Charge a companion’s dead phone during flights.
    • Outdoors: Power a GPS watch mid-hike.
    • Emergencies: Revive hearing aids or medical wearables.
      A 2024 Statista survey found 41% of users leverage reverse charging weekly, calling it a “crisis-aversion tool.”

    Apple’s USB-C shift didn’t just simplify cables—it turned your iPhone into a silent guardian. Keep your iPhone 15/16 charged, and you’ll never watch another device die helplessly. Try it today: your next cable could save someone’s day.


    Must Know

    Q: Does reverse charging work on older iPhones?
    A: No. Only iPhone 15 and newer models support reverse charging due to their USB-C ports. Older Lightning iPhones can receive power but can’t share it.

    Q: What devices can I charge with my iPhone?
    A: Any USB-PD-compatible device drawing ≤4.5W, including AirPods, Apple Watches, Android phones, or wireless earbuds. Avoid tablets or laptops.

    Q: Will reverse charging damage my iPhone’s battery?
    A: Apple confirms occasional use is safe. For longevity, avoid draining your iPhone below 10% regularly.

    Q: Can I charge while using my iPhone?
    A: Yes, but it slows charging speeds. Disconnect when not critical.

    Q: Do third-party cables work?
    A: Yes—brands like Anker and Belkin offer certified USB-C cables at lower prices. Avoid uncertified options to prevent damage.

    Q: How fast is iPhone reverse charging?
    A: Expect 1-2% per minute for small devices. An Apple Watch Series 9 gains ~8% in 10 minutes.


    iNews covers the latest and most impactful stories across entertainment, business, sports, politics, and technology, from AI breakthroughs to major global developments. Stay updated with the trends shaping our world. For news tips, editorial feedback, or professional inquiries, please email us at [email protected].

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    ‘dying’ apple usb-c bidirectional charging can charge with iphone charging devices english hidden how iPhone iPhone 15 features​ iphone reverse charging news power rescue reverse tech unlock USB-C iPhone with your
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