This solar battery storage requires a MINIMUM of 2 modules to work (Master + Slave). This battery can accommodate up 7 modules in a stack (1x Master + 6x Slaves)
If you are adding battery modules to an existing Energy Cube stack, please made sure that the new batteries are compatible with your original battery module. Must be installed by a qualified electrician.
Please note: In order to increase the product warranty from 5 to 10 years you must register your install with Fox online to activate the 10 year warranty, otherwise it's 5 years as standard. Please click here for registration page. You can review the warranty document for more information.