I hear 1.5 hours on the single battery charge. Battery quickly changed
without a door. A fairly common batt. Power needed is the variable
voltage supply like 6 to 18 volts. I didn't look to see if it can
take either polarity like my rme but would not be surprised if it can.
So in other words run whatever batt you want to run. Or change out the
supplied battery every 1.5 hours.
Mic power is based on what your mic uses. My surround mic uses close
to 40 mills. My me-62 runs hundreds of hours on a single 1.5 AA cell.
--- In Kevin J. Colver <>
wrote:
> Greetings all,
> Does anyone have experience with the battery life of the 722 under
> field conditions? The manual mentions a 2 hour play time on the
> rechargable LI battery. This doesn't seem like much for a day in the
> field nor does it indicate whether this 2 hour use time included
> external powering of the mics. How much do these batteries cost? What
> would be the options for recording a week in the field without
> availability of an electrical outlet for recharging?
> Thanks,
> Kevin Colver
>
> ---
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