Made in USA Solid State. Magnum 12 Battery Operated.
Output equal to the best power-line operated units.
3.1 Joule rating *
Charges up to 30 miles.
Dependable operation in all temperatures.
Solid state circuitry with an on/off switch.
Has built-in performance meter that tells exact condition of fencer and a lightning arrestor. Uses a 12 volt car battery (not included). Comes with battery clamps. UL listed. Shocks through medium wet weeds and brush. Good for use with any animal.
* One joule is defined as: The work done to produce power of one watt continuously for one second; or one watt second.
I have 2 of these chargers we use them year round at our barn and while camping and they work great! We use a pick-up battery and only have to re-charge the battery about every 4 weeks! We have been using them for 2 or 3 yrs and no problems at all..