It's brand new and original 5kva, 5000w, 48v Felicity hybrid inverter with 100a MPPT charger controller.
SPECIFICATIONS:
5kva, 48v, 50/60HZ
Communication function with lithium battery/Wifi/4G module.
Inbuilt mppt charge controller 100a max, pv input: Max.6000w/125-500v
Parallel unit up to 12pcs batteries, single/Three phase.