The Tecmate Optimate Solar Kit 80W is an intelligent solar charging system for 12V lead-acid batteries. The fully enclosed charge controller converts solar energy and delivers up to 6.66A in full sunlight or power pulses in cloudy weather. A wide range of weatherproof polycrystalline panels operate in any weather. The unique pulse protection mode restores completely drained sulfated batteries starting from 1V. The monitoring mode displays the battery's charge status with three LEDs.