Battery Isolator Switch with spare key 100a Continuous @ 12v 500a cut off kill

2x Battery Isolator Switch 100A Continuous @ 12v 500a Cut Off Power Kill Key

Battery Isolator Switch 100A Continuous @ 12v 500a Cut Off Power Kill Key

Reliable and Accurate LCD pH Tester for Testing Water Quality in Aquariums

High Accuracy Digital Water Tester Pen Maintain Optimal Conditions in Aquariums

XKC Y25 NPN Noncontact Capacitive Sensor for Enhanced Measurement Accuracy

Exceptional Accuracy Energy Management 50A-200A Current Reliable Measurement

Dwyer MCS-111050 Miniature Current Sensing Switch, 0.5 to 50A Continuous