RMX3999 · 1 version · 1,590 samples
Android versions
16 Baklava · 15 Vanilla Ice Cream
Battery
5000 mAh
Technology
Li-ion
Chipset
k6835v1_64
Memory options
8/512 GB · 8/256 GB · 8/128 GB
Display
1080x2400 (120Hz)
Model
RMX3999
Estimated charging time
3h 0min
to charge 0 → 100%
Max charging temperature
38.5°C
average peak while charging
Screen-on time
6h 0min
estimated on a full charge
Estimated battery life
12h 0min
estimated on a full charge
See your own charging speed, screen-on time and battery health in real time with Battery Guru.
Get Battery GuruSpotted a mistake?
Specs or numbers look off for the Realme 12 5G? Let us know and we'll fix it.
The Realme 12 5G packs a 5000 mAh Li-ion battery and lasts about 12h 0min on a full charge with around 6h 0min of screen-on time. It charges from 0 to 100% in roughly 3h 0min, peaking near 38.5°C while charging. Every figure is aggregated anonymously from real 12 5G owners using Battery Guru (5 samples), so it reflects everyday usage rather than lab claims.
Based on 5 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the Realme 12 5G lasts about 12h 0min on a full charge, with roughly 6h 0min of screen-on time.
The 12 5G charges from 0 to 100% in approximately 3h 0min, with charging temperatures peaking around 38.5°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 (5 samples), reflecting real-world usage rather than manufacturer specifications.