Originally Posted by
dorkypants
Recording time is limited by (1) battery life, (2) capacity of memory card. The battery charges via a standard mini-USB jack, so it may be possible to power it via an external battery pack. The max capacity microSD card it'll take is 16 GB.
Done that with good results using the following which has given me at least two hours of use (haven't gone further than that)....
http://www.ebay.com/itm/AA-Battery-E...item1e6ddc0cd8