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OffCalc.cc v6.8

Design Your Off-Grid Solar Setup in a few clicks

Pick a preset below, slide to adjust, and tap any icon (?) to learn about it.

1. Battery Voltage
2. Inverter Power 6,200 W
3. Panel Power (50W–750W) 550 W
Number of Panels 8 (4,400 W)
4. Battery
15.4 kWh (300Ah)
5. Daily Use
10.0 kWh / d
6. Cable Distances (m)
Panels→Inv 15m
Battery→Inv 2.0m
Inv→Home 15m

System Overview

Tap any box (?) to see how it works

✓ OK
? 1. Solar Panels
8× 550W

4,400W

? ON/OFF 2. Solar Switch
DC Breaker

Reset switch

? 230V 3. Hybrid Brain
6,200W 48V

1× MPPT

? 4. Battery
15.4 kWh

1.4d backup

? 5. Your Home
230V AC

30mA RCD + 32A

Connecting Cables (?)
☀️
Cable A: Solar
6mm² + MC4
🔋
Cable B: Battery
50mm² + 175A
🏠
Cable C: 230V AC
3G 6mm² (15m)
MPPT Load
🟢 68%
Wire Loss
🟢 0.7%
Winter Sun
🟢 15.0 kWh/d

Recommended Models

PT & EU