4 MPPT for 2.4kW Solar Power, 1.2kW Bidirectional On-Grid Power 1.2kW Backup Power, Peak at 1.44kW EPS Switchover in 15ms Plug & Play, Seamlessly Integrates with Your Existing Solar Setup Modular Design, 2.12kWh Per Unit, Flexible Expansion up to 5 Units & 12.72kWh Anti Feed-In with Smart Meter of MARSTEK, Shelly, etc. Whole-Home Backup with MARSTEK SmartBox Al Optimized TOU Management for Cost Savings LFP Cells with 6000+ Cycles, 10 Years Warranty, 15 Years Lifespan IP65 Waterproof, -20°C to 60°C