Parmak DF-SP-LI Solar Panel

America's first solar-powered electric fence charger! Laser trimmed, computer precision, solid state circuitry provides reliable, powerful low-impedance shock to end of the fence. Uses free energy from the sun for maximum shock - day or night. Eliminates need for expensive battery replacement or inconvenient recharging. At a glance built-in performance meter shows you the fence condition - good, marginal or bad. Features latest state-of-the-art solar panel with over 42% more battery charging power. Will charge battery even on cloudy days with maximum power in direct sunlight. Totally weather-proof for outdoor use.