12/24/48Volt systems with 1400 – 3000Watt constant load capacity. Inverter/chargers can either supply power from, or charge your batteries from an external source such as a generator. This completely cancels the issue of keeping your system autonomous during overcast weather. About an hour of generator charge (app. 2€ worth of fuel) will keep your batteries topped up, until the clouds are gone.
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The inverter is the heart of your system. This unit generates the standard household 240 Volt AC current, as in a grid-connected house. It enables you to run normal electrical appliances such as lights, television, vacuum cleaner, washing machine, Internet connection and stereo. A few of these appliances can be obtained for 12/24 Volt DC (this is what your system generates without the inverter), but due to the size of the 12/24 Volt market the products are expensive, so the inverter is actually a better deal. Also the cost for wiring drops dramatically for 240 Volt Alternating Current compared to the bigger cables needed for DC loads.
Sine Wave Inverters
We have discarded the cheaper products, featuring pure sine wave Inverters from Outback Power (US) Sumsol (ES) and Victron Energy (NL). These products might increase the initial investment, but the true (and far more economical) value of these excellent products will be obvious after a few years usage. With a high conversion efficiency, durable and proper designed, these machines will yield even higher watts in peaks than stated. They rarely fail, enabling you to enjoy your solar system without worrying of possible power failure.
Cheaper inverters can be obtained from the Internet, but we do not recommend this, as frequent failure and replacement of burned out units makes them less economical. We have inverters in the range from 600 – 3000 Watts – all pure sine wave! We use Inverters which have been designed specifically for solar energy applications.