G310 · 1 version · 28 samples
Android
11 R
Battery
4900 mAh
Technology
Unknown
Chipset
pri_board
Memory
2/32 GB
Display
720x1446 (61Hz)
Model
G310
Estimated charging time
4h 30min
to charge 0 → 100%
Max charging temperature
43.6°C
average peak while charging
Screen-on time
9h 0min
estimated on a full charge
Estimated battery life
34h 30min
estimated on a full charge
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The GM 21 packs a 4900 mAh Unknown battery and lasts about 34h 30min on a full charge with around 9h 0min of screen-on time. It charges from 0 to 100% in roughly 4h 30min, peaking near 43.6°C while charging. Every figure is aggregated anonymously from real 21 owners using Battery Guru (28 samples), so it reflects everyday usage rather than lab claims.
Based on 28 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the GM 21 lasts about 34h 30min on a full charge, with roughly 9h 0min of screen-on time.
The 21 charges from 0 to 100% in approximately 4h 30min, with charging temperatures peaking around 43.6°C.
The 21 has a 4900 mAh Unknown battery.
It is aggregated anonymously from real 21 owners using the Battery Guru app (28 samples), reflecting real-world usage rather than manufacturer specifications.