The Ako AN5500 is a powerful 12V electric fence energizer designed for demanding applications, offering 5.7 joules of stored energy and 3.5 joules of output energy. This robust energizer is capable of electrifying fences up to 20 km (without vegetation) or 7 km (with heavy vegetation), making it suitable for various animals including cattle, sheep, goats, and wild boar. It features a deep discharge protection for the 12V battery and is optimized for long-term outdoor use. The AN5500 is a reliable solution for effective and safe animal containment.