The arrows indicate the direction in which the light travels, and the size of the cylinder indicates the intensity of the light. The intensity of light transmitted through a magnetic material (the ...

Cole Hersee’s new Smart Battery Isolator prevents loads on the auxiliary battery from draining the starting battery, and it’s different from traditional isolators as it’s not specific to an alternator ...

The 48525 and 48530 smart-battery isolators prevent loads on the auxiliary battery from draining the starting battery. They are not specific to an alternator type and are said to generate less heat ...