
Power Estimator
Battery Solar Power Calculator
0 ratings
Free
About
Power Estimator is the essential tool for planning and monitoring off-grid power systems. Whether you're designing a solar installation, managing an RV setup, or maintaining a remote cabin, this calculator provides accurate battery charge predictions based on your specific configuration.
Key Features:
• Solar Power Optimization - Configure panels with efficiency factors, shading, and real-time weather integration
• Real Weather Data - NOAA integration provides accurate solar generation based on your location's sunrise, sunset, and cloud cover
• Battery Management - Track charge levels over time with percentage, watt-hour, and voltage display modes
• Load Scheduling - Set up primary loads and additional devices with custom time schedules
• Multi-Source Power - Include generators and other power inputs in your calculations
• Interactive Charts - Visualize battery levels, solar generation, consumption, and weather conditions
• Multi-Day Forecasting - Plan ahead with calculations spanning days or weeks
• Location Flexibility - Use GPS or enter custom locations for weather-accurate results
Perfect for solar installers, RV enthusiasts, off-grid homeowners, and anyone planning power-independent systems. Get precise estimates to ensure your batteries never run out when you need them most.
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What's New in Power Estimator
1.0
February 26, 2026





