Spar sunshine energy power packs gives you the freedom to generate your own power with our compact and efficient solar power packs or solar inverters — a low maintenance, silent and pollution-free alternative to diesel generators. Make best use of free fuel, powered by the sun! Run your house or small business with reduced electricity costs, uninterrupted power by recharging your inverters with free power from the sun. This technology is fully automatic and all system functions are controlled by a Microcontroller. It is synchronized with an inbuilt Charge Controller and is based on the most advanced charging technology, so you get the longest possible battery life.