RMX3999 · 3 variants · 539 samples
Android
16 Unknown
Battery
5000 mAh
Technology
Li-ion
Chipset
k6835v1_64
Memory
8GB · 128GB
Display
1080x2400 (120Hz)
Model
RMX3999
Android
16 Unknown
Battery
5000 mAh
Technology
Li-ion
Chipset
k6835v1_64
Memory
8GB · 256GB
Display
1080x2400 (120Hz)
Model
RMX3999
Android
16 Unknown
Battery
5000 mAh
Technology
Li-ion
Chipset
k6835v1_64
Memory
8GB · 512GB
Display
1080x2400 (120Hz)
Model
RMX3999
Estimated charging time
2h 30min
to charge 0 → 100%
Max charging temperature
43.8°C
average peak while charging
Screen-on time
6h 0min
estimated on a full charge
Estimated battery life
10h 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 Realme 12 5G packs a 5000 mAh Li-ion battery and lasts about 10h 0min on a full charge with around 6h 0min of screen-on time. It charges from 0 to 100% in roughly 2h 30min, peaking near 43.8°C while charging. Every figure is aggregated anonymously from real 12 5G owners using Battery Guru (64 samples), so it reflects everyday usage rather than lab claims.
Based on 64 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the Realme 12 5G lasts about 10h 0min on a full charge, with roughly 6h 0min of screen-on time.
The 12 5G charges from 0 to 100% in approximately 2h 30min, with charging temperatures peaking around 43.8°C.
The 12 5G has a 5000 mAh Li-ion battery.
It is aggregated anonymously from real 12 5G owners using the Battery Guru app (64 samples), reflecting real-world usage rather than manufacturer specifications.