This tool helps you to calculate your off-grid power supply. Specially optimized for lithium technology (Winston cells). For comparison, you can also do the calculation with lead technology. This tool calculates the necessary PV power and can retrieve the location climate data from a server (PVGIS server). Battery to battery or mains charger can also be taken into account. As a result, you will receive a complete parts list with all materials (cables, cell connectors, BMS, switch-off relays, current sensors for a desired visualization / battery monitor).
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First release Version, Feedback welcome!