... performance with Nominal Voltage 24/18/12V DC Bypass diodes to avoid hot-sot effect, solar cells are embedded in a sheet ... , stable, heavy duty anodized aluminum frames with convenient mounting-access, for high wind-pressure and snow-load. The backside frames are ... ; 2. Rural electrification, Small home power systems; 3. Power supply for traffic, security, gas industry; 4.12V and 24V battery charging ...