Azmall Electric Fence Charger - Wide Applications What is the best way to use the Azmall electric fence charger outdoors to ensure its longevity and optimal performance? To ensure the Azmall electric fence performs optimally and lasts longer, it's best to place it inside a waterproof box (like the one shown in the product details). When connecting to an outlet or external power source, also make sure waterproofing. How reliable is the Azmall electric fence energizer, and what is the duration of its service period? Before delivery, every Azmall electric fence charger is put through a 72-hour continuous charge and discharge test at the factory. It also comes with a 12-month service time. What is the current output of the Azmall electric fence charger? The Azmall electric fence delivers up to 3J of current, making it effective not only for smaller animals like dogs and chickens but also for larger animals such as cows and sheep.