I’m done. For now. I need a mental break from all the decisions. I’ve never heard anyone talk about the sheer number of decisions necessary in a project like this – I guess the same as building a house?

I wanted to get the electrical system finalized this weekend so that I could run the diesel heater. I don’t want to add up the hours I’ve spent on this project. While rewarding, it’s been relentless. If I don’t make a decision and take action… nothing happens. So many decisions.

This is the simple electrical cabinet with 100Ah of lithium. The system is designed to scale up to 400Ah in the same cabinet by adding more batteries. For now, this is sufficient (I think).

The control panel is installed in one of the upper cabinets. The left circle is the display for a Victron BMV-712 that I can connect to from inside the house via Bluetooth to monitor the battery. The top right rectangle is the controller for the Espar diesel heater. The bottom 2 left dials are dimmer switches for the front and rear ceiling puck LEDs, the leftmost switch in the set of 4 turns on the battery heating pad. I installed a battery heater on a separate circuit (with switch) so that I don’t inadvertently try to charge the battery below freezing. I can check the battery temp, flip the switch, warm up the battery, then start charging.

Currently no power coming into the system, only system out. I have an external AC-DC charger that I’ll use at home until I install at DC-DC charger and solar (later…). For now everything looks good, works well.