Inventors:
Hamid Sahebjami - Cincinnati OH, US
Steve Sahebjam - Columbia MD, US
International Classification:
H02J 7/00
Abstract:
The present invention provides methods and apparatuses for the detection and warning of a critical voltage of a vehicle battery. An apparatus includes a voltage regulator, a voltage-level detector, a logic circuit, and a light-emitting diode (LED) with a current-protection circuit for providing an indication when the battery voltage drops below a critical voltage level.