How much does this cost to the nearest dollar?

Low Loss PWRshield LVD-HVD Power Guard Module, PWRguard
The PWRshield module is a programmable LVD(Low Voltage Disconnect) and HVD(High Voltage Disconnect) power protect system. Programmable voltage setting for LVD and HVD(rocker switch set to AUTO). With emergency ON or OFF function, if you want switch output to be immediate and remain ON or OFF, you can set rocker switch to ON or OFF. Design based on microcontroller and low loss MOSFETs (on status resistance < 0.002 ohm), you do not have to add heatsinks even for 30 Amps of continuous working current. Standard 30 Amps power pole connectors. High quality aluminum enclosure, thickness. Package includes 1x PWRshield

Price is $48.00

Price: $48