Go to Amazon.com : http://www.amazon.com/gp/product/B001FBIR08?tag=theatrecat-20 <br /> <br />Xantrex 84-2030-00 LinkLite Battery Monitor <br /> <br />Displays voltage charge and discharge current consumed amp hours and remaining battery capacity <br />Can monitor voltage on second battery <br />Backlit LCD <br />Internal programmable alarm relay <br />1000 Amp maximum
