RMX3871 · 3 variants · 285 samples
Android
16 Unknown
Battery
5000 mAh
Technology
Li-ion
Chipset
bengal
Memory
8GB · 512GB
Display
1080x2400 (120Hz)
Model
RMX3871
Android
16 Unknown
Battery
5000 mAh
Technology
Li-ion
Chipset
bengal
Memory
8GB · 128GB
Display
1080x2400 (120Hz)
Model
RMX3871
Android
16 Unknown
Battery
5000 mAh
Technology
Li-ion
Chipset
bengal
Memory
8GB · 256GB
Display
1080x2400 (120Hz)
Model
RMX3871
Estimated charging time
5h 30min
to charge 0 → 100%
Max charging temperature
36.2°C
average peak while charging
Screen-on time
9h 0min
estimated on a full charge
Estimated battery life
19h 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 packs a 5000 mAh Li-ion battery and lasts about 19h 0min on a full charge with around 9h 0min of screen-on time. It charges from 0 to 100% in roughly 5h 30min, peaking near 36.2°C while charging. Every figure is aggregated anonymously from real 12 owners using Battery Guru (128 samples), so it reflects everyday usage rather than lab claims.
Based on 128 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the Realme 12 lasts about 19h 0min on a full charge, with roughly 9h 0min of screen-on time.
The 12 charges from 0 to 100% in approximately 5h 30min, with charging temperatures peaking around 36.2°C.
The 12 has a 5000 mAh Li-ion battery.
It is aggregated anonymously from real 12 owners using the Battery Guru app (128 samples), reflecting real-world usage rather than manufacturer specifications.