merlin · 1 version · 415 samples
Android
16 Baklava
Battery
5020 mAh
Technology
Li-poly
Chipset
mt6768
Memory
4/128 GB
Display
1080x2340 (60Hz)
Model
merlin
Estimated charging time
3h 0min
to charge 0 → 100%
Max charging temperature
37.1°C
average peak while charging
Screen-on time
7h 30min
estimated on a full charge
Estimated battery life
11h 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 Redmi Note 9? Let us know and we'll fix it.
The Redmi Note 9 packs a 5020 mAh Li-poly battery and lasts about 11h 0min on a full charge with around 7h 30min of screen-on time. It charges from 0 to 100% in roughly 3h 0min, peaking near 37.1°C while charging. Every figure is aggregated anonymously from real Note 9 owners using Battery Guru (415 samples), so it reflects everyday usage rather than lab claims.
Based on 415 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the Redmi Note 9 lasts about 11h 0min on a full charge, with roughly 7h 30min of screen-on time.
The Note 9 charges from 0 to 100% in approximately 3h 0min, with charging temperatures peaking around 37.1°C.
The Note 9 has a 5020 mAh Li-poly battery.
It is aggregated anonymously from real Note 9 owners using the Battery Guru app (415 samples), reflecting real-world usage rather than manufacturer specifications.