RV and van power scenarios

5 complete setups, each worked through every compatibility check and the daily energy balance from makers' published specs calculated. Open any of them in the planner to change a part. Data updated Oct 18, 2026.

• Can 200 Ah of lithium run a residential fridge overnight?Verdict: No
• A boondocking weekend in a travel trailer on 200 Ah of lithium and 400 W of solarVerdict: Works, tight
• Van life: a 12 V fridge and Starlink Mini on one 320 Ah lithium batteryVerdict: Works
• Winter boondocking: will heated lithium run the furnace fan?Verdict: Works
• Can you run a 13,500 BTU RV air conditioner for 4 hours on lithium?Verdict: No