Welcome to LUX Solar’s AnyKit™ Builder - for Small Off-Grid (Up to 4000 Watts) - Version 1.0. This first release is designed to calculate cables, fuses and controller required from the solar to the battery. Place any number of panels (of the same wattage) on the roof to start. We’re in beta testing mode, so your input is crucial—help us improve by sharing your feedback As a thank-you, you’ll receive an exclusive 15% off discount code to use on any kit built with the system!