What is the Galaxy Z Fold4 battery capacity and charging speed?
Verified battery capacity, rated playback time and charging details for the Galaxy Z Fold4, each with its official source and verification date.
Short answer
The Galaxy Z Fold4 has a 4400 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 | 4400 mAh | Official sourceGalaxy Z Fold4 — Typical dual battery: 4,400mAh (typical) dual battery* *Typical val Open source ↗Oct 20, 2026 |
| Fast charge | Up to 50% in about 30 minutes with 25W adapter under Samsung test conditions | Official sourceGalaxy Z Fold4 — Charging test not inferred maximum device input: Up to 50% charge in around 30mins with 25W ad 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.