J12 · 1 version · 21 samples
Android
14 Upside Down Cake
Battery
6500 mAh
Technology
Li-ion
Chipset
s9863a1h10_go_32b
Memory
2/64 GB
Display
576x1169 (60Hz)
Model
J12
Estimated charging time
4h 0min
to charge 0 → 100%
Max charging temperature
43.7°C
average peak while charging
Screen-on time
7h 0min
estimated on a full charge
Estimated battery life
51h 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 BLU J12 packs a 6500 mAh Li-ion battery and lasts about 51h 0min on a full charge with around 7h 0min of screen-on time. It charges from 0 to 100% in roughly 4h 0min, peaking near 43.7°C while charging. Every figure is aggregated anonymously from real J12 owners using Battery Guru (21 samples), so it reflects everyday usage rather than lab claims.
Based on 21 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the BLU J12 lasts about 51h 0min on a full charge, with roughly 7h 0min of screen-on time.
The J12 charges from 0 to 100% in approximately 4h 0min, with charging temperatures peaking around 43.7°C.
The J12 has a 6500 mAh Li-ion battery.
It is aggregated anonymously from real J12 owners using the Battery Guru app (21 samples), reflecting real-world usage rather than manufacturer specifications.