Features sturdy and durable aluminum frame with amorphous solar cells ; Includes 12V DC plug, battery clamps and mounting hardware for easy installationCompletely weatherproof for added durabilityAmorphous solar panel works in all daylight conditions; even on cloudy daysBuilt-in overcharge/discharge protectionMaintains and trickle charges 12 Volt batteries for your car, boat, RV, electric fence, deer feeder and more