Fenceman Energiser CP900. The Fenceman Energiser CP900 is a powerful energiser for long fences or larger paddocks up to distances of 8km/5 miles. The CP900 is powered by a 12 volt wet cell battery or two internal 6 volt PJ996 batteries, which can also be used as back up power. The CP900 features a carrying handle and is easy to use with its self-supporting stand and integral earth stake. The CP900 benefits from a fence line indicator, an output indicator and a low battery indicator. The energiser offers high efficiency on well insulated fences, along with low energy consumption and constant power output throughout the life of the battery. The CP900 comes with a 2 Year Manufacturers Guarantee.