WKS i3 - Technical Data

40 / 47
7. Technical Data
Model WKS I3 WKS I3.6 WKS I4 WKS I5 WKS I6
Battery Parameters
Battery Type
Lead-acid, Lithium-ion
Nominal battery voltage
48V
Battery voltage range
42 - 58V
Min discharge voltage
Lithium:(according to BMS), General 46.0V
Lead acid: 44.0V
Max charge voltage
Lithium-ion:(according to BMS), Max 58V
Lead acid: 58V
Recommended battery
capacity
200Ah (100 – 500 Ah optional)
Recommended storage
capacity
9.6 kWh
Max charge current
60A
Charge current range
0 – 65A programmable
Charge curve
3 - stage adaptive with maintenance
Max discharge current
0 – 70A programmable
Battery protection
Over voltage protection / Over current protection / Over temperature
protection
Depth of discharge
Lithium: 0 – 80% DOD adjustable
Lead acid: 0 – 50% DOD adjustable
PV parameters
The max input power
3500W 4000W 4400W 5500W 6600W
Max DC power for single
MPPT
2000W
(160V-520V)
2400W
(180V-520V)
2600W
(200V-520V)
3000W
(250V-520V)
3500W
(300V-520V)
The max DC input voltage
600V
Start-up DC voltage
120V
Nominal DC Voltage
360V
MPPT operating voltage
range
90-580V
Full load DC voltage range
160V-520V
160V-520V
200V-520V
250V-520V
300V-520V
MPPT number
2
The max DC input current
12A/12A
The max DC input short
current
15A/15A
AC parameters
Max output power
3000W 3680W 4000W 5000W 6000W