Full Product Manual
23 
Technical Specifications 
Electrical Parameters 
Model 
ROV-20 
ROV-40 
Nominal system voltage 
12V/24V Auto Recognition 
Rated Battery Current 
20A 
40A 
Rated Load Current 
20A 
20A 
Max. PV Input Short Current 
25A 
50A 
Max. Battery Voltage 
32V 
Max Solar Input Voltage 
100 VDC 
Max. Solar Input Power 
12V @ 260W 
12V @ 520W 
24V @ 520W 
24V @ 1040W 
Self-Consumption 
≤100mA @ 12V 
≤58Ma @ 24V 
Charge circuit voltage drop 
≤ 0.26V 
Discharge circuit voltage drop 
≤ 0.15V 
Temp. Compensation 
-3mV/°C/2V (default) 
Communication 
RS232 
Battery Charging Parameters 
  Battery   
GEL 
SEALED 
FLOODED 
LITHIUM 
USER 
High Voltage 
Disconnect 
16 V 
16 V 
16 V 
16 V 
*9-17 V 
Equalization 
Voltage 
----- 
14.6 V 
14.8 V 
----- 
9-17 V 
Boost Voltage 
14.2 V 
14.4 V 
14.6 V 
14.4 V 
9-17 V 
Float Voltage 
13.8 V 
13.8 V 
13.8 V 
----- 
9-17 V 
Boost Return 
Voltage 
13.2 V 
13.2 V 
13.2 V 
13.2 V 
*9-17 V 
Low Voltage 
Reconnect 
12.6 V 
12.6 V 
12.6 V 
12.6 V 
9-17 V 
Under Voltage 
Warning 
12 V 
12 V 
12 V 
12 V 
*9-17 V 
Low Voltage 
Disconnect 
11.0 V 
11.0 V 
11.0 V 
11.0 V 
9-17 V 
Discharging Limit 
Voltage 
10.6 V 
10.6 V 
10.6 V 
10.6 V 
*9-17 V 
Equalization 
Duration 
----- 
2 hours 
2 hours 
----- 
*0-10 Hrs. 
Boost Duration 
2 hours 
2 hours 
2 hours 
----- 
*1-10 Hrs. 










