iPhone 11 uses a USB-C to Lightning cable with a USB-C power adapter
The iPhone 11 charges through a Lightning port, which is the small connector on the bottom of the phone. You need a USB-C to Lightning cable — that's the cable itself — paired with a USB-C power adapter, which is the brick that plugs into the wall. Apple stopped including chargers in the box starting with iPhone 12, so if you have an iPhone 11, you may already own the cable and adapter, or you may need to buy them separately.
The Lightning connector has been Apple's standard for iPhones since 2012. It's different from the USB-C ports on newer iPhones (iPhone 15 and later) and different from the Micro-USB ports on Android phones. This means a charger made for an Android phone or a newer iPhone won't work with your iPhone 11 without an adapter.
You can charge your iPhone 11 with any USB-C power adapter rated for at least 5 watts, though faster adapters (18W, 20W, or higher) will charge the phone more quickly. The phone itself will only draw the power it needs, so using a more powerful adapter won't damage it.
Key Takeaways
- iPhone 11 requires a USB-C to Lightning cable and a USB-C power adapter — the cable and the wall brick are separate pieces.
- Any USB-C power adapter rated for 5 watts or higher will work, and faster adapters (18W, 20W, or higher) charge the phone quicker without causing damage.
- Lightning cables are specific to iPhones and iPads; chargers made for Android phones or newer iPhones with USB-C ports will not work with iPhone 11.
- If your iPhone 11 came without a charger in the box, you can buy a USB-C to Lightning cable and USB-C adapter from Apple or third-party manufacturers like Anker, Belkin, or Amazon Basics.
Where the Lightning port is and how to recognize it
The Lightning port is a small rectangular opening at the bottom center of your iPhone 11, between the speaker grilles. It's about the size of a pencil eraser and has eight small metal pins inside. When you look at it straight on, it's symmetrical — you can plug the cable in either way without rotating it.
The USB-C to Lightning cable has a flat, rectangular USB-C connector on one end (the end that plugs into the power adapter) and a Lightning connector on the other end (the end that plugs into your phone). The Lightning end looks like a smaller, flatter version of the USB-C end. If you're unsure whether you have the right cable, check that the end going into your phone is Lightning-shaped and the end going into the adapter is USB-C-shaped.
Third-party chargers that work with iPhone 11
You don't have to buy chargers directly from Apple. Many manufacturers make USB-C to Lightning cables and USB-C power adapters that work with iPhone 11. Common brands include Anker, Belkin, Amazon Basics, and Spigen. These are usually cheaper than Apple's versions and perform the same function.
When buying a third-party charger, look for one that explicitly says "USB-C to Lightning" on the cable and "USB-C power adapter" on the wall brick. Check the wattage of the adapter — 5W is the minimum, but 18W, 20W, or higher will charge faster. Read the product reviews to see whether other users report the cable lasting a reasonable length of time, since some cheaper cables fray or stop working after a few months.
Avoid chargers that don't list their wattage or that seem unusually cheap compared to other options. A charger that costs significantly less than similar products from established brands may not deliver consistent power or may fail quickly.
Wireless charging as an alternative
iPhone 11 also supports wireless charging, which means you can charge it by placing it on a wireless charging pad without plugging in a cable. The phone has a built-in coil that receives power from the pad. Wireless chargers are slower than wired charging — a wireless charger typically delivers 5W to 7.5W of power, while a wired USB-C adapter can deliver 18W or more.
Wireless chargers come in different shapes: flat pads, stands that hold the phone upright, and car mounts. Any wireless charger labeled as Qi-compatible (pronounced "chee") will work with iPhone 11. You still need to buy the wireless charger separately — it doesn't come in the box. Popular options include Anker, Belkin, and Apple's own MagSafe chargers, though MagSafe chargers are more expensive and designed specifically for newer iPhones.
What happens if you use the wrong charger
Using a Micro-USB charger (from an Android phone) or a USB-C charger without a Lightning cable won't charge your iPhone 11 at all — the connectors simply don't fit. The phone won't be damaged by trying, but it won't charge either.
Using an extremely high-wattage charger (like a laptop charger rated for 100W or more) is technically safe because the iPhone 11 only draws the power it needs, but it's unnecessary and may generate more heat than a standard adapter. For everyday use, stick with adapters rated between 5W and 30W.
Damaged or frayed cables can pose a safety risk. If your Lightning cable has exposed wires, cracks in the rubber coating, or a loose connector that doesn't stay plugged in, stop using it and replace it. A damaged cable can overheat or fail suddenly.
How fast iPhone 11 actually charges
With a standard 5W USB-C adapter and Lightning cable, iPhone 11 takes roughly 2.5 to 3 hours to charge from 0% to 100%. With an 18W or 20W adapter, the phone charges to about 50% in roughly 30 minutes, then slows down as it approaches full charge — this is normal and protects the battery. With a 30W adapter, the charging speed is similar to the 20W adapter because the phone itself maxes out at around 18W of power draw.
Wireless charging is slower. A standard Qi wireless charger takes roughly 4 to 5 hours to fully charge iPhone 11 from empty. This makes wireless charging better for overnight charging or keeping the phone topped up throughout the day rather than for quick top-ups.
Frequently Asked Questions
Can I use an iPhone 15 charger with my iPhone 11?
No. iPhone 15 uses USB-C to USB-C charging, while iPhone 11 uses USB-C to Lightning. The cables are not compatible. You would need a USB-C to Lightning cable to use an iPhone 15's power adapter with an iPhone 11.
Is it safe to leave my iPhone 11 plugged in overnight?
Yes. Modern iPhones, including iPhone 11, have built-in protections that stop charging once the battery reaches 100% and prevent overcharging. Leaving it plugged in overnight won't damage the battery, though charging stops at 100% to preserve long-term battery health.
Do I need an Apple charger or can I use any USB-C adapter?
You can use any USB-C power adapter rated for at least 5 watts. It doesn't have to be from Apple. Third-party adapters from Anker, Belkin, or Amazon Basics work just as well and are often cheaper. Make sure the cable is USB-C to Lightning, not USB-C to USB-C.
Why does my iPhone 11 charge slowly with some chargers?
Slow charging usually means the power adapter is rated for less than 18W, the cable is damaged, or the phone is very hot. Try a different adapter rated for 18W or higher, or let the phone cool down before charging. If the problem continues, the Lightning port may be dirty — try gently cleaning it with a dry cotton swab.
Can I charge my iPhone 11 with a power bank?
Yes, if the power bank has a USB-C output port and you have a USB-C to Lightning cable. Connect the cable to the power bank's USB-C port and to your phone's Lightning port. Most power banks work this way, though some older models only have Micro-USB or USB-A ports, which won't work with iPhone 11.