3
LED Indicators:
Charging
LED Display
Battery
Capacity
○○○
⊙
First light blinking
< 25%
○○
⊙●
First light on,
second light blinking
25% - 50%
○
⊙●●
Two lights on,
third light blinking
50% - 75%
⊙●●●
Three lights on,
fourth light blinking
75% - 99%
●●●●
Four lights on
Fully charged
The Anker Astro M2 external battery is fully compatible
with all 5V AC USB adapters. Reference the chart below for
the charging times of different adapters.
Adapter Current Output
Charging Time
5V / 1A
7-8 hours
5V / 0.5A
14-15 hours
