Portable Electric Bear Fences For Any Adventure

Frequently Asked Questions

  • Is there a gate I can use with my Bear Sentry?

    You can make a gate or ‘door’ in the Base Camp model. You’ll need to use 2 posts for the door and string the polywire in a zig zag pattern. An Exp...
  • How does an electric bear fence work?

    A Bear Sentry is an example of a simple electrical circuit. The polywire is connected to the positive ( + ) terminal of the energizer; all the lin...
  • Why is it important to have high voltage and energy output?

    Let’s start with the Basics When an animal touches the hot wire of an electrified fence, it closes what was until then an open circuit. Electrical...
  • Can I covert my Syclone into a Base Camp?

    Simply buy Expansion Packs for the Base Camp model. This is possible because Bear Sentries are modular: Backcountry and Base Camp models share the...
  • Does deterrence harm the bear?

    While the shock is extremely painful, it lasts but for a split second in the form of a pulse (see  “What’s that clicking sound?”). So the bear won’...
  • How do you attach the ring terminal to the Base Camp polywire?

    First, use a lighter to fuse the plastic insulation at the end of the polywire (apply heat for only a second or you risk melting away the plastic u...
  • Can you set up a Bear Sentry on a hard surface like alpine rock?

    The Bear Sentry pole spikes (patent pending) make our electric fences easy to set up in hard ground. Every other system on the market requires yo...
  • What is the output energy of the Bear Sentry energizer?

    The Bear Sentry energizer is rated at 1.8 Joules stored energy, and 1.0 Joules output energy. Output energy is the energy of the shock actually del...
  • How is the Bear Sentry in wind and rain?

    We've tested units in seriously wet conditions over multiple days. They work without issue, although we do recommend keeping the energizer and bat...