Acme PB01 User Manual
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alternately light up in a row when charging. Each light indicates 25%
power. Charging time is approximately 2 to 3.5 hours dependent on
current output.
2. How to charge devices with PB01: Connect device to PB01 using
the USB cable, then keep pressing the switch button for 1 second
to activate the PB01. Four lights respectively turn off in a row which
means PB01 is discharging while device is getting charged. Keep
pressing the switch button for 1 second to turn it off. Charging time
depends on battery capacity.