FiiO M21 · 1 variant · 3 samples
Android
13 Tiramisu
Battery
4000 mAh
Technology
Li-ion
Chipset
bengal
Memory
4GB · 64GB
Display
750x1286 (60Hz)
Model
FiiO M21
Limited data so far (3 samples). These figures will firm up as more Qti QUALCOMM FiiO M21 owners contribute.
Estimated charging time
2h 0min
to charge 0 → 100%
Max charging temperature
39.0°C
average peak while charging
Screen-on time
8h 0min
estimated on a full charge
See your own charging speed, screen-on time and battery health in real time with Battery Guru.
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The Qti QUALCOMM FiiO M21 packs a 4000 mAh Li-ion battery and lasts about 252h 30min on a full charge with around 8h 0min of screen-on time. It charges from 0 to 100% in roughly 2h 0min, peaking near 39.0°C while charging. Every figure is aggregated anonymously from real QUALCOMM FiiO M21 owners using Battery Guru (3 samples), so it reflects everyday usage rather than lab claims.
Based on 3 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the Qti QUALCOMM FiiO M21 lasts about 252h 30min on a full charge, with roughly 8h 0min of screen-on time.
The QUALCOMM FiiO M21 charges from 0 to 100% in approximately 2h 0min, with charging temperatures peaking around 39.0°C.
The QUALCOMM FiiO M21 has a 4000 mAh Li-ion battery.
It is aggregated anonymously from real QUALCOMM FiiO M21 owners using the Battery Guru app (3 samples), reflecting real-world usage rather than manufacturer specifications.