Sunforce 60120 8.5 Amp Pro Series Solar Charge Controller<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Prevents overcharging of 12 volt batteries and helps protect your solar panels and batteries</li><li>Controls battery voltage</li><li>Designed for use in small solar systems where no load disconnect is required， such as yachts and RVs</li><li>Safety features include: Voltage drop compensation， reverse polarity protection and integrated temperature compensation for use at a broad range of operating temperatures</li><li>PWM (Pulse Width Modulation) extends the life of the battery</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41DxmI94bGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31bSD%2BdcYjL.jpg" noproxy>