The Go Charge Series Battery Maintainer and Charger by PRO Charging Systems combines battery charging and battery maintenance functions in one reliable, safe and easy to transport unit. Designed for everyday uses such as charging and maintaining automobile, boat, motorcycle and ATV batteries, simply plug-in this Go Charge Series Battery Maintainer and Charger and the LED charge status indicator will let you know when the battery is charged. The feature-rich Go Charge Series Battery Maintainer and Charger offers several built-in safety features designed to protect your battery and yourself: reverse polarity protected; zero spark technology; over voltage; over current protection. Includes power cord and fused harness, alligator clips and ring terminals, and a flexible rotating A/C power plug. Size: 1.625'' H x 1.75'' W x 3.875'' L.