Model : XTRA 1210N ( XDS2 ) Nominal system Voltage : 12V/24V Auto work Rated charge current : 10A Rated discharge current : 10A Max. PV open circuit voltage : 100V Battery input voltage range : 8V~32V Max. PV input power : 130W ( 12V ) 260W ( 24V ) IP33 Dimension : 175×143×48mm