RMX1821 · 3 variants · 76 samples
Android
10 Q
Battery
4230 mAh
Technology
Li-Po
Chipset
RM6771_18601
Memory
2GB · 64GB
Display
720x1466 (60Hz)
Model
RMX1821
Android
10 Q
Battery
4230 mAh
Technology
Li-Po
Chipset
RM6771_18601
Memory
2GB · 32GB
Display
720x1520 (60Hz)
Model
RMX1821
Android
10 Q
Battery
4230 mAh
Technology
Li-Po
Chipset
RM6771_18601
Memory
4GB · 64GB
Display
720x1378 (60Hz)
Model
RMX1821
Estimated charging time
4h 30min
to charge 0 → 100%
Max charging temperature
34.0°C
average peak while charging
Screen-on time
1h 30min
estimated on a full charge
Estimated battery life
1h 30min
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 RMX1821 packs a 4230 mAh Li-Po battery and lasts about 1h 30min on a full charge with around 1h 30min of screen-on time. It charges from 0 to 100% in roughly 4h 30min, peaking near 34.0°C while charging. Every figure is aggregated anonymously from real RMX1821 owners using Battery Guru (3 samples), so it reflects everyday usage rather than lab claims.
Based on 3 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the Realme RMX1821 lasts about 1h 30min on a full charge, with roughly 1h 30min of screen-on time.
The RMX1821 charges from 0 to 100% in approximately 4h 30min, with charging temperatures peaking around 34.0°C.
The RMX1821 has a 4230 mAh Li-Po battery.
It is aggregated anonymously from real RMX1821 owners using the Battery Guru app (3 samples), reflecting real-world usage rather than manufacturer specifications.