Shure wireless receiver UC4 power requirement

[ubxf]

The Shure UC4 is powered by a wall wart rated at
600 mA x 15 V
and I was wondering if it would be possible to power it with a couple of 9v batteries.
Would the batteries drain very fast? there is a similar receiver UP4 that is powered by a single 9V battery

 

[Walrus]

No, the specs for the UC4 do say a max of 600mA so at that rate 9 volt batteries wouldn't be capable enough.
You could use 11 D cell batteries, but they would still only last about 5 hours before dropping below the minimum required voltage of 12.5.
Would also be very expensive.

 

[ubxf]

Thank you

 

[ubxf]

would 4 x 14500 lithium ion cells be also a possible choice ?

 

[Walrus]

The 800mAh ones would only last just over an hour if the unit does actually draw 600mA. I would be very sceptical of the ones saying they are 2300mAh from the same physical size battery! But even if they are good, you would still only have 3-4 hours use from a charge, and probably less.