The positive bar where the loads (inverter, DC panel) connect, fed from the battery main. Paired with a charge busbar on larger systems.
Separating the bar your loads hang off from the bar your chargers feed gives the battery management independent control — and a cleaner power feed to the equipment that cares about it.
The load busbar feeds the inverter and DC panel, drawing from the battery main. On larger systems it is paired with a charge busbar.
Design your van, boat, cabin or RV system in Wattonomy and it feeds the inverter and DC distribution from a dedicated load busbar whenever the bus is split, all shown on the wiring diagram — from the appliances you actually run, sized to the recognized standard for your region. You see it on the wiring diagram, in the sized parts list, and in a plain-English build pack that explains the reasoning behind every choice. No account, no email — about a minute to a complete, validated design.
The load bar is where consumers (inverter, DC panel) connect; the charge bar is where sources (solar, DC-DC) connect. Splitting them lets the battery isolate each side.
No — only larger systems with multiple charge sources or a big bank. Smaller systems use a single positive busbar.
It takes about a minute. No account, no email.