It's quite pricey tho but seeking out quality and performance... deye should be top priority in your mind
*features*
ac couple to retrofit existing solar system
max 10 pcs parallel for on- grid and off - grid opeŕation; support multiple batteries parallel
max charging/ discharging current of 350a
48v low voltage battery, transformer isolation design
6 times periods for battery charging/discharging
support storing energy from diesel generator
*technical specification*
battery voltage range: 40 - 60
max. dc input power (w): 26000w
max pv input voltage (v): 800v
mppt range (v): 160~650v
start-up voltage (v): 160v
pv input current (a): 36a+20a
max. pv isc (a) : 54a+30a
mppt trackers: 2