Gallagher S16 Solar Electric Fence Charger Stored energy of single wire fence, fits on top of steel T-post or mounts on a wall. Ideal for managed grazing. Features comfortable carry handle, portable, high-impact, UV ultraviolet resistant plastic case for weatherproof, rust-proof, for outdoor use. Built-in solar panel charges battery, even on cloudy days. Durable and portable which makes a great alternative to battery powered systems. Maintenance-free rechargeable battery included. Covers up to 30 acres, or 10 miles. 6 volts. 2-year warranty. Coverage Area Up To 30 Acres, Voltage 6V, Energy Output 0.17 Joules, Energy Input Type Solar, Shell Material Plastic, Dimensions 11.61 In. x 12 In., Weight 10.32 Lb., Pkg Qty 1, Package Type Clamshell