The Solar Charger uses sunlight to supply power to up to 300 feet or 100 meters of electric track. The Solar Charger is completely weatherproof. The input voltage is 4VDC, the output voltage is 7.0KV (+/-) 20% Open k-circuit voltage. Patented anti arking ensures its safe, long lasting and low profile. These solar units are the best on the market today and work very well to keep the track always charged up.
This is a great product. The solar charger will last very long, but the batteries need to be changed out about every 1-3 years.