Small powerbank with single 18650 cell. Branded as "URBAN BEATZ".
over-temperature protection, overcharge and over-discharge protection, output over-voltage protection, output overload protection, output short-circuit protection.
Preset 4.2V / 4.35V charge voltage with accuracy of ± 1%.
LED1 flashes (1Hz?), LED1 is always on when the battery is fully charged,
LED2 is always on when discharging, LED2 is flashing when discharging
LED2 1Hz flashing = low battery.
Posted by T.O. at 00:17