Victron VE net battery controller:
The VE.Net Battery Controller (VBC) is a device that monitors your battery status. It constantly measures the battery voltage, battery current, and battery temperature, and uses this information to calculate the state of charge of your battery.
TECHNICAL DATA
Supply voltage range:9 ... 70 VDC
Supply current:
relay inactive<5 mA
relay active<20 mA
Operating temperature range:0 ... 50 C
Potential free alarm contact:
ModeNormally open
Rating30 V/3 A max.
Dimensions:75 x 110 x 23 mm
Net weight:95 g
Material:
BodyABS