RMX3990 · 1 version · 331 samples
Android
16 Baklava
Battery
5200 mAh
Technology
21
Chipset
parrot
Memory options
8/128 GB · 8/256 GB
Display
1080x2412 (120Hz)
Model
RMX3990
Estimated charging time
1h 30min
to charge 0 → 100%
Max charging temperature
39.6°C
average peak while charging
Screen-on time
8h 30min
estimated on a full charge
Estimated battery life
16h 0min
estimated on a full charge
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The Realme RMX3990 packs a 5200 mAh 21 battery and lasts about 16h 0min on a full charge with around 8h 30min of screen-on time. It charges from 0 to 100% in roughly 1h 30min, peaking near 39.6°C while charging. Every figure is aggregated anonymously from real RMX3990 owners using Battery Guru (165 samples), so it reflects everyday usage rather than lab claims.
Based on 165 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the Realme RMX3990 lasts about 16h 0min on a full charge, with roughly 8h 30min of screen-on time.
The RMX3990 charges from 0 to 100% in approximately 1h 30min, with charging temperatures peaking around 39.6°C.
The RMX3990 has a 5200 mAh 21 battery.
It is aggregated anonymously from real RMX3990 owners using the Battery Guru app (165 samples), reflecting real-world usage rather than manufacturer specifications.