JSN-L21 · 2 versions · 137 samples
Android
10 Q
Battery
3750 mAh
Technology
Li-Po
Chipset
JSN-L21
Memory options
4/64 GB · 4/128 GB
Display
1080x2137 (60Hz)
Model
JSN-L21
Android
10 Q
Battery
3750 mAh
Technology
Li-Po
Chipset
JSN-L21
Memory
4/64 GB
Display
1080x2137 (60Hz)
Model
JSN-L21
Estimated charging time
4h 0min
to charge 0 → 100%
Max charging temperature
35.3°C
average peak while charging
Screen-on time
9h 0min
estimated on a full charge
Estimated battery life
16h 30min
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 HUAWEI JSN-L21? Let us know and we'll fix it.
The HUAWEI JSN-L21 packs a 3750 mAh Li-Po battery and lasts about 16h 30min on a full charge with around 9h 0min of screen-on time. It charges from 0 to 100% in roughly 4h 0min, peaking near 35.3°C while charging. Every figure is aggregated anonymously from real JSN-L21 owners using Battery Guru (7 samples), so it reflects everyday usage rather than lab claims.
Based on 7 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the HUAWEI JSN-L21 lasts about 16h 30min on a full charge, with roughly 9h 0min of screen-on time.
The JSN-L21 charges from 0 to 100% in approximately 4h 0min, with charging temperatures peaking around 35.3°C.
The JSN-L21 has a 3750 mAh Li-Po battery.
It is aggregated anonymously from real JSN-L21 owners using the Battery Guru app (7 samples), reflecting real-world usage rather than manufacturer specifications.