What is the Galaxy S21+ 5G battery capacity and charging speed?
Verified battery capacity, rated playback time and charging details for the Galaxy S21+ 5G, each with its official source and verification date.
Short answer
The Galaxy S21+ 5G has a 4800 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 | 4800 mAh | Official sourceGalaxy S21+ 5G — Typical model battery capacity: Battery | 4000mAh (typical) | 4800mAh (typical) Open source ↗Oct 20, 2026 |
| Fast charge | USB PD 3.0 (PPS), AFC and QC 2.0; Fast Wireless Charging 2.0 | Official sourceGalaxy S21+ 5G — Charging protocols, no maxW inferred from chargerpower: Fast Wireless Charging 2.0 USB PD 3.0 (PPS) certified Fast Charging for wired charging (AFC and QC2.0 compatible) 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.