Solar Generator & Power Station Sizing Calculator
Plan your off-grid power system. Enter your appliances and daily usage to find the right battery capacity and solar panel setup.
Your Appliance List
Step 2: Size Your System
System Requirements
Total Daily Energy Needs
0 Wh/day
Required Battery Capacity
0 Wh
(0 Ah @ 12V)
Required Solar Panel Wattage
0 W
Recommended Inverter Size
0 W
Step 3: Analyze Your System (Optional)
Enter your current equipment specs to see how it performs against your needs.
Key Solar Generator Concepts
- Battery Capacity (Watt-hours - Wh): This is the most important number. It tells you how much total energy the battery can store. Think of it as the size of your fuel tank. Your total daily energy needs (Wh/day) must be less than your battery capacity.
- System Voltage (12V, 24V, 48V): This is the operating voltage of your battery bank. For smaller systems (like RVs or camping), 12V is common. For larger, more permanent installations (like off-grid cabins), 24V or 48V systems are more efficient. Higher voltage systems carry the same amount of power with less current (Amps), which allows for thinner wiring and reduces energy loss over distance.
- Solar Input (Watts): This is how quickly the power station can recharge from solar panels. A higher number means faster charging. Your required solar panel wattage should not exceed this limit.
- Inverter Output (Watts): This is the maximum amount of power the generator can deliver at any one moment. It must be higher than the running watts of the most powerful device you want to use.
- Solar vs. Gas Generators: Solar generators provide silent, fume-free power and can be recharged for free from the sun, making them ideal for indoor use, camping, and quiet neighborhoods. Gas generators typically offer more power for a lower initial cost but are noisy, require fuel, and produce harmful exhaust.