How long does an iPhone take to charge?
Short answer
about 1.5-2 hours
A modern iPhone reaches 50% in about 30 minutes with a fast charger and 100% in roughly 1.5-2 hours.
What changes the time
| Condition | Time | Why |
|---|---|---|
| with a 5W charger | 3-4 hours | The old basic adapter charges far slower than a 20W+ fast charger. |
| from a laptop USB port | 3-5 hours | Standard USB ports deliver low power. |
| with a 20W fast charger | about 1.5 hours | Fast charging is quickest from 0-80%, then slows to protect the battery. |
Tips
- Charging slows above 80% on purpose to protect battery health.
FAQ
Why does the last 20% charge so slowly?
Phones taper charging speed near full to extend battery lifespan.