Welcome to Aputure Support
We are here for you .
1. What power can be used ?
It is powered by Built-in lithium battery.
2.How long can AL-M9 be used when it is at 100% output ？
About 1.5 hours.
3. Charging details
*Normal USB charging adapter. Such as : 5V 500mA . 5V 1A. 5V2A.
*USB port of Computer\laptop and so no.
*It will spend 4.5 hours for full charge when using Normal USB charging adapter(5V1A).
4.What’s the mean of indicator light ?
*When using: Blue light:It is working and every thing is ok. Red light and flashing:The battery is going to dead.
When charging: Red light: It is charging. No light: Full charge.
5.What color temperature of filter ?
CTO: 3400k;CTB: 8800k.