TECNO KM4k · 2 variants · 105 samples
Android
15 Vanilla Ice Cream
Battery
6000 mAh
Technology
Li-ion
Chipset
TECNO-KM4k
Memory
8GB · 256GB
Display
720x1600 (120Hz)
Model
TECNO KM4k
Android
15 Vanilla Ice Cream
Battery
6000 mAh
Technology
Li-ion
Chipset
TECNO-KM4k
Memory
8GB · 128GB
Display
720x1600 (120Hz)
Model
TECNO KM4k
Estimated charging time
3h 0min
to charge 0 → 100%
Max charging temperature
43.2°C
average peak while charging
Screen-on time
12h 0min
estimated on a full charge
Estimated battery life
20h 0min
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 TECNO SPARK 40C packs a 6000 mAh Li-ion battery and lasts about 20h 0min on a full charge with around 12h 0min of screen-on time. It charges from 0 to 100% in roughly 3h 0min, peaking near 43.2°C while charging. Every figure is aggregated anonymously from real SPARK 40C owners using Battery Guru (39 samples), so it reflects everyday usage rather than lab claims.
Based on 39 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the TECNO SPARK 40C lasts about 20h 0min on a full charge, with roughly 12h 0min of screen-on time.
The SPARK 40C charges from 0 to 100% in approximately 3h 0min, with charging temperatures peaking around 43.2°C.
The SPARK 40C has a 6000 mAh Li-ion battery.
It is aggregated anonymously from real SPARK 40C owners using the Battery Guru app (39 samples), reflecting real-world usage rather than manufacturer specifications.