FiiO JM21 · 1 variant · 2 samples
Android
13 Tiramisu
Battery
2400 mAh
Technology
Li-ion
Chipset
bengal
Memory
2GB · 32GB
Display
750x1286 (60Hz)
Model
FiiO JM21
Limited data so far (2 samples). These figures will firm up as more Qti QUALCOMM FiiO JM21 owners contribute.
Estimated charging time
2h 0min
to charge 0 → 100%
Max charging temperature
44.5°C
average peak while charging
Screen-on time
4h 0min
estimated on a full charge
Estimated battery life
5h 30min
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 JM21 packs a 2400 mAh Li-ion battery and lasts about 5h 30min on a full charge with around 4h 0min of screen-on time. It charges from 0 to 100% in roughly 2h 0min, peaking near 44.5°C while charging. Every figure is aggregated anonymously from real QUALCOMM FiiO JM21 owners using Battery Guru (2 samples), so it reflects everyday usage rather than lab claims.
Based on 2 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the Qti QUALCOMM FiiO JM21 lasts about 5h 30min on a full charge, with roughly 4h 0min of screen-on time.
The QUALCOMM FiiO JM21 charges from 0 to 100% in approximately 2h 0min, with charging temperatures peaking around 44.5°C.
The QUALCOMM FiiO JM21 has a 2400 mAh Li-ion battery.
It is aggregated anonymously from real QUALCOMM FiiO JM21 owners using the Battery Guru app (2 samples), reflecting real-world usage rather than manufacturer specifications.