Tools
Free calculators to help you plan your battery and solar setup.
Battery calculator
Work out how much battery you need for your RV, boat, off-grid home or backup system, with recommended SOK batteries and Energy Hubs.
Start the battery calculatorVoltage drop calculator
Check how much voltage your DC cable loses over its length, and find the smallest cable size that keeps the drop under 2.5%.
Check my cableStill have questions?
Not sure what you need? Our team can help you size your system.