Looking into setting up an external battery for a few of my tactacams because some of them get no light at all and running solar is not an option. I looked at some of the herd 360 boxes and I’m going to go that route. Question is how long will those batteries run? I usually leave my cameras on picture every 4 mins if something triggers it and upload to phone once or sometimes twice a day. Anyone that’s running external batteries chime in if you have any help tips or pointers. Thanks