Sigenergy SigenStor EC 4.0 SP Single-phase Energy Controller

Max PV Input: 8000 Wp | Voltage range: 50–550 V | Start-up voltage: 100 V

Max AC output (on-grid): 4000 watts | Max AC output (off-grid): 6000 watts

Single-phase, 2 MPPT

Hybrid, can be combined with the Sigenstor BAT series (1–6 units)

10-year manufacturer’s warranty