If you want to learn about installing a dual battery system into your vehicle, caravan or camper trailer this one hour video will take you from novice to expert.
You can skip to specific chapters of the video to find specifically what you need.
Dual Battery Fundamentals | 0:01:10
Batteries & Maintenance | 0:04:40
Voltage Sensitive Relays & DC-DC Chargers | 0:10:41
Portable Battery Packs | 0:16:33
Vehicle Wiring Installation | 0:21:40
Caravan/Camper Installation | 0:45:55
Solar Panels & Regulators | 0:57:38
Battery Chargers | 1:01:41
Closing | 1:04:21