What is the Galaxy S8+ battery capacity and charging speed?
Verified battery capacity, rated playback time and charging details for the Galaxy S8+, each with its official source and verification date.
Short answer
The Galaxy S8+ has a 3500 mAh battery.
✓2 verified fields · sources reviewed Oct 20, 2026
Battery & charging at a glance
Evidence, field by field
Every value below is drawn from the official specification source for this phone, with its verification date.
| Field | Verified value | Source |
|---|---|---|
| Capacity mah | 3500 mAh | Official sourceGalaxy S8+ — Standardphonebatterycapacity notratedminimum: Standard Battery Capacity (mAh) 3500 Open source ↗Oct 20, 2026 |
| Fast charge | AFC and QC 2.0 fast charging | Official sourceGalaxy S8+ — Explicitprotocols noadaptermaxW: Fast charging requires Adaptive Fast Charging (AFC) or Quick Charge 2.0-compatible charger Open source ↗Oct 20, 2026 |
What this page does not claim
Battery life depends on usage, settings and battery age. TePhone reports the official rated figure and the verified charging limit, and never fabricates a battery-capacity number.