Was haltet ihr von diesem???
http://www.ebay.de/itm/Sunny-Boy-2100-TL-String-Wechselrichter-Gebraucht/281715330726?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20140117130753%26meid%3D9e84029f45a14f2581026f584b2ff6ed%26pid%3D100005%26rk%3D4%26rkt%3D6%26sd%3D271885629362&rt=nc