Talking about spare battery,if you shoot in really cold weather and the 9 volt does not have enough power,it can be powered with
a battery holder with 8 AA batteries thus supplying 12v,works great.
Those hotshot hand warmers work well
Talking about spare battery,if you shoot in really cold weather and the 9 volt does not have enough power,it can be powered with
a battery holder with 8 AA batteries thus supplying 12v,works great.
Those hotshot hand warmers work well



























