All Broadcasters can be used while plugged into power. However, if you need to be more mobile, each one has a battery option which can also take over should you lose your power source.
The Broadcaster Pro's built-in lithium-ion battery is expected to allow for around three hours of streaming time.
The Broadcaster mini's built-in lithium-ion battery is expected to allow for around two hours of streaming time.
The chart below shows the top brands of batteries and how long they should last, depending on the bit-rate that is being streamed via Livestream Broadcaster V1.