How to Charge an iPhone With Another iPhone

Charging one iPhone using another iPhone is a real feature — but it works differently depending on which models you own, what software they're running, and how you're trying to do it. Here's a clear breakdown of what's actually possible, what the limitations are, and what factors shape the experience.

What Is iPhone-to-iPhone Charging?

Apple introduced a feature called MagSafe reverse wireless charging — more commonly referred to in the context of iPhones as the ability to use one iPhone to wirelessly power another device. However, this is often misunderstood. As of current iOS releases, iPhones do not support reverse wireless charging to another iPhone the way some Android devices do (like Samsung's Wireless PowerShare).

What iPhones can do:

• Charge AirPods wirelessly using the back of an iPhone (on supported models)
• Share power via a Lightning or USB-C cable using a wired connection and a power bank workaround
• Use MagSafe accessories as intermediaries

So the short answer is: you cannot wirelessly charge one iPhone directly from another iPhone using native iOS features. But there are legitimate methods to transfer power between iPhones in specific situations.

Method 1: Wired Power Sharing Using a Cable and Battery Pack

The most reliable way to "charge an iPhone with an iPhone" is slightly indirect:

1. Connect a portable battery pack to iPhone A (the one acting as the power source)
2. Run a cable from the battery pack to iPhone B

In this setup, iPhone A isn't technically the charger — the battery pack is — but the chain starts with iPhone A's cable port. This is commonly how users share charge when one phone is nearly dead and only a cable is available.

Alternatively, if one iPhone has a USB-C port (iPhone 15 and later), it can act as a pass-through for a connected cable to charge another device, depending on the cable and adapter being used.

Method 2: USB-C Pass-Through (iPhone 15 and Later) ⚡

Starting with the iPhone 15 lineup, Apple switched from Lightning to USB-C. This opens up new possibilities:

• iPhone 15 models can charge other USB-C devices (including other iPhones with USB-C) using a USB-C to USB-C cable
• One iPhone plugged into a wall charger can have a second cable plugged into a USB-C hub or adapter to charge a second device simultaneously

This is not reverse wireless charging — it requires a physical cable — but it is a genuine way to use one iPhone's charging setup to power another iPhone.

Method 3: MagSafe and Wireless Accessories

Some third-party MagSafe-compatible battery packs attach magnetically to the back of an iPhone and can simultaneously receive charge and output charge. In a setup like this:

• iPhone A charges the MagSafe battery pack (via cable or wirelessly)
• The battery pack then charges iPhone B wirelessly

Again, the iPhones aren't directly charging each other — but the accessory bridges the gap. This setup is popular for travel because it requires no extra cables between the two phones.

Why Apple Hasn't Enabled True Reverse Charging Between iPhones

Several Android flagships support bilateral wireless charging — the ability for one phone to wirelessly charge another by placing them back-to-back. Apple has not enabled this on iPhones, likely due to:

• Heat management concerns (wireless charging generates heat; two phones in contact amplifies this)
• Battery longevity trade-offs (draining one battery to charge another accelerates wear)
• Power efficiency losses inherent in wireless-to-wireless transfer

Apple has filed patents related to device-to-device wireless charging, but as of now, no iPhone model supports it as a shipping feature.

Key Variables That Affect Your Options 🔋

What's actually possible for you depends on several factors:

• iPhone model: Lightning-port iPhones (iPhone 14 and earlier) have fewer options than USB-C iPhones (iPhone 15+)
• iOS version: Some cable-sharing behaviors depend on current firmware
• Available accessories: Whether you have a USB-C cable, MagSafe battery, or hub changes your options significantly
• Charging speed expectations: Even when wired pass-through works, speeds are slower than wall charging
• Battery health of both devices: Using a low-capacity or degraded iPhone as a power intermediary won't deliver much charge

What About Emergency Situations?

If both iPhones are present and one is dying, the practical options are:

1. Share a wall charger using a splitter or hub
2. Use one iPhone's cable to plug the dying phone into a power source
3. Transfer a MagSafe battery pack from one phone to the other
4. Enable Low Power Mode on the dying iPhone to extend its remaining battery while a proper charger is found

Reverse charging between two iPhones directly — without any accessories — is not currently a built-in feature, regardless of model.

Whether any of these methods actually works for your situation depends heavily on which iPhones are involved, what cables and accessories are on hand, and what you need the charge for. The gap between "technically possible" and "practical for your setup" is where the real decision lives.