iPhone 8 Plus (Batteries)

Battery type and capacity

• Lithium-ion (Li-Ion), built-in, non-removable.
• Approximate capacity: 2691 mAh (some listings mention 2675 mAh).

Performance on a full charge

• Talk time (wireless): up to 21 hours.
• Internet use (LTE / Wi-Fi): up to 13 hours.
• Video playback (wireless): up to 14 hours.
• Audio playback (wireless): up to 60 hours.
• Standby / idle mode: battery lasts significantly longer (actual standby hours depend on usage, but iOS optimizations help preserve battery).

Charging & Charging Features

• Wired charging via Lightning connector to a USB power adapter.
• Supports fast charging — ~50% charge in about 30 minutes (with an 18 W or higher charger).
• Supports Qi-standard wireless charging (with a compatible wireless charger).