The PAC Pet Fence Control Unit, when used with 12 Volt Car or Lorry Battery has the following run times:
most Car Batteries have a Capacity of 40 Amp-Hours (40Ah) – will run for 800 Hours = 33 Days – 1 Month approx.
with a larger Battery 80 Amp Hours (80Ah) – it will run for 1,600 Hours - 66 Days – 2 Months approx.
with Big Battery 100Amp Hours (100 Ah) – it will run for 2,000 Hours – 83 Days – 2.5 Months approx.