Solar Power Toolbox is a small collection of useful calculators to help you design your off-grid solar power system!

Click on the calculator to launch it.

Solar Panel Diagram

Design your own solar panel diagram has never been so easy

Solar Charge Controller Calculator

Match your solar panels setup with a compatible charge controller

Solar Wire Size Calculator

Calculate your wire gauge for you solar power system

Solar Power Sizing Calculator

Calculate your solar power size. Battery, Solar panels, etc...

Solar Battery Bank Calculator

Find which battery fit your needs

Solar Inverter Calculator

Find the right inverter size

Our recommanded products:

battery

AmpereTime batteries

A great value and efficient Lithium Ion Phosphate battery available with different Amp hours and voltages

solar panel

HQST 12v 100W Polycrystalline panel

Efficient and not expensive 100Watt solar panel, perfect for a RV, Boat or DIY solar system.

solar charge controller

Victron Energy SmartSolar MPPT 100V 20amp 12-24V

With built-In Bluetooth, this Victron solar charge controller allows up tp 290W with 20A and 12V or 580W with 20A and 24V

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