FREE RV BATTERY TOOL
Quick battery & solar estimate
Enter your estimated daily energy use, how many days you want between meaningful charging, and usable peak sun hours.
12V equivalent94 Ah/dayWh ÷ 12.8V
Lithium starting point~250 AhIncludes about 15% reserve.
Solar to review~400 WIncludes a planning allowance for normal losses.
Final battery, inverter, conductor, fuse, charging and solar design must match the actual RV and equipment.