The Megger 6280-332 cigarette lighter battery charger charges the battery of a Megger DET4TCR series ground resistance tester (sold separately). The charger draws power from any standard 12V direct current (DC) car cigarette lighter. The 6280-332 is an accessory for use with a Megger DET4TCR ground resistance tester.

Megger manufactures equipment for cable fault locating, protective relay testing, telecommunications and data integrity, and power quality testing under multiple brand names, among them Megger, Biddle, States, and AVO. The company, founded in 1889, is headquartered in Dover, England, and meets International Organization for Standardization (ISO) 9001:2008 standards.