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Electrical Capacity Planner

Estimate your daily power needs and generation capacity.

Minimum Solar Needed
13W
to cover daily usage
Recommended Battery
13 Ah
3 days autonomy
Current Balance
+950 Wh
✓ Good surplus
to sync across devices
Daily Usage
40 Wh
Daily Generation
990 Wh
Net Balance
+950 Wh
Recommended Battery
13 Ah
Daily Power Balance✓ Surplus
Power Used
40 Wh/day
Power Generated
990 Wh/day

Quick Start Presets

⚡ Power Used

Select your usage level for each category

💻Computers
Internet & Connectivity Guide
0 Wh
🧊Refrigeration
Food Storage Guide
0 Wh
💡Interior Lighting
Interior Lighting Guide
20 Wh
🌀Ventilation/Fans
Ventilation Guide
0 Wh
🔥Heating
Heating Guide
0 Wh
❄️Air Conditioning
Air Conditioning Guide
0 Wh
📱Phones & Tablets
20 Wh
💧Water Pump
Water System Planner
0 Wh
🍳Induction Cooking
Cooking Guide
0 Wh
🔌Other/Misc
0 Wh
Total Daily Power Usage40 Wh/day

☀️ Power Generated

Configure your charging sources

☀️ Solar Panels

2
Total Solar Array
200W
Daily Generation
630 Wh

🔋 DC-DC Charging (Alternator)

1h
Charger Capacity
30A @ 12V
Daily Generation
360 Wh
Total Daily Generation
Solar: 630 Wh + DC-DC: 360 Wh
990 Wh/day

System Recommendations

🔋 Battery Capacity

Based on 3 days autonomy with full discharge

13 Ah

≈ 1 × 100Ah batteries

See our battery recommendations →

☀️ Solar Array

Recommended to cover daily usage

12W

For spring/fall conditions

See our solar panel guide →

📊 System Status

Good to Go!

Your generation exceeds consumption. You'll have 950 Wh/day surplus to charge batteries.

Browse all electrical guides →
Inverter guide →DC-DC charger guide →Charge controller guide →
These are estimates based on typical usage patterns. Actual consumption varies.