Ionic GenBox 1.3B Expansion Battery Module | Extend Your Backup Runtime

This expansion module adds 1,380Wh of capacity to the GenBox 1200S system, allowing up to 5.52kWh total capacity with four batteries. It supports simple stackable installation and comes with a 3-year warranty.

• The description claims each expansion battery adds 1,380Wh to the system.
• The description claims the system can extend backup runtime from approximately 6 hours to a full day.
• The description claims the modules charge and discharge together automatically.
• The description claims the batteries are rated for 5,000 cycles (~13+ years).