What is the Galaxy S21 FE 5G battery capacity and charging speed?
Verified battery capacity, rated playback time and charging details for the Galaxy S21 FE 5G, each with its official source and verification date.
Short answer
The Galaxy S21 FE 5G has a 4500 mAh battery. Wired charging is rated at up to 25 W.
✓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 | 4500 mAh | Official sourceGalaxy S21 FE 5G — Typical model battery capacity: Battery^{10} | 4,500mAh Open source ↗Oct 20, 2026 |
| Wired max w | 25 W | Official sourceGalaxy S21 FE 5G — Explicit FE charging maxima: 25W Wired 15W Wireless Wireless PowerShare 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.