The whole setup with big LCD screen and invens.nl speakers draws less than 200 watts, while the ultram to buy solar panel has a maximum output of 20 watts. So, yes, the panel has to charge the battery for a few hours before you can start playing. But once the battery is fully charged and with the constant trickle charging of the photovoltaic panel, the system can stay up and running for about 8 hours.
written by dave, March 21, 2007
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