Take a look at this fabulous sprinter van electrical system engineered by TouRig. We can see in the picture a Smart Solar MPPT 100 | 30 charge Controller with Bluetooth, Blue Sea 8027 AC Circuit Breaker Panel,  BMV 712 Smart Battery monitor with Bluetooth,  Blue Sea 6006 Mini ON-OFF Battery Switch, BEP 778-ANL Pro installer ANL fuse holder,  Blue Sea 5196 Terminal Fuse block for 3 Circuts