FX Audio D802 on batteries. How long?

[dublin78]

Hi

I am thinking of getting an FX Audio D802 for mobile use, and running it on 18650 Li-ion batteries. Probably 6s6p circa 25v circa 12ah.

How long could I expect the batteries to last?

D802 Characteristics:

◾S/PDIF AKM AK4113 Interface
◾Audio Controller / DSP VIA VT 1630A
◾OLED Display
◾Displaying the sampling rate
◾Amplifier module STA326 : 2 x 80W at 4 Ohm, 2 x 50W at 8 Ohm
◾Nichicon 5400µF x3, WIMA x2 filter capacitors
◾High precision clock
◾Signal to noise ratio (SNR): 100dB
◾Frequency Response: 18Hz - 22kHz
◾Digital equalizer
◾Control by remote control supplied or rotary encoder
◾Inputs: S/PDIF Optical Toslink, Coaxial and USB-B)
◾HP Outputs: On screw terminals supporting 4mm banana plugs
◾32V 5A power supply supplied (5.5/2.5 jack connector)
◾Dimensions: 190x115x39mm
◾Weight : 700 g

 

[JonSnell Electronic]

Ohms law less 15% for efficiency will give you your answer.
That is assuming a constant battery drain.