TECNO KM4k · 1 version · 264 samples
Android
15 Vanilla Ice Cream
Battery
6000 mAh
Technology
Li-ion
Chipset
TECNO-KM4k
Memory options
8/256 GB · 8/128 GB
Display
1600x720 (120Hz)
Model
TECNO KM4k
Estimated charging time
2h 30min
to charge 0 → 100%
Max charging temperature
43.0°C
average peak while charging
Screen-on time
13h 30min
estimated on a full charge
Estimated battery life
25h 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 TECNO SPARK 40C packs a 6000 mAh Li-ion battery and lasts about 25h 30min on a full charge with around 13h 30min of screen-on time. It charges from 0 to 100% in roughly 2h 30min, peaking near 43.0°C while charging. Every figure is aggregated anonymously from real SPARK 40C owners using Battery Guru (101 samples), so it reflects everyday usage rather than lab claims.
Based on 101 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the TECNO SPARK 40C lasts about 25h 30min on a full charge, with roughly 13h 30min of screen-on time.
The SPARK 40C charges from 0 to 100% in approximately 2h 30min, with charging temperatures peaking around 43.0°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 (101 samples), reflecting real-world usage rather than manufacturer specifications.