What are you building?
We'll take you through these steps to design your system:
1 Consumption 2 Batteries 3 System Design 4 Procurement
STEP 01

Energy Consumption

Add your appliances and solar input to calculate net energy need.

🔌 Appliances
☀️ Solar Generation
Region / Country
Installed Solar (Wp)
Design Season
Solar coverage 0%
Refine with exact location (PVGIS)
EU Solar Atlas – enter coordinates for precise solar data
STEP 02

Battery Selection

Filter and select your LiFePO4 battery. Click a row to select.

🔧 Filters
Accuspanning
Application
Vehicle Slot
Or set custom max dimensions:
Max Lengthany mm
Max Widthany mm
Max Heightany mm
Min. capacity0 Ah
Min. guaranteed cycles0
Min. warranty0 yr
Max. weightany kg
STEP 03

System Design

Configure your complete solar system – cables, fusing, and wiring diagram.

Serie (S)
Parallel (P)
Inverter (W)
Max verlies %
Temp °C
📋 Kabels & Zekeringen
SegmentStroomLengte mm²AWGVerlies% ZekeringTypeStatus
STEP 04

Procurement List

Your complete shopping list with affiliate links and discount codes.

⚠️
Always verify results with a qualified engineer before installation Results generated by this calculator are indicative only. Cable sizing, fuse ratings and battery configurations must be reviewed and verified by a licensed electrical engineer before installation. Incorrect sizing can result in fire, equipment damage or personal injury.
Battery specifications and pricing are sourced from manufacturer documentation. Greenspark BV cannot guarantee the accuracy or completeness of this data. Always verify with the manufacturer or supplier before purchasing.
Some links below are affiliate links. We may earn a commission if you purchase through these links, at no extra cost to you.
🛍
Procurement list coming after battery selection
Preview: open affiliate module →
💡 Feature request / Bug report