The Noco Genius G1100 6V & 12V 1.1A Multi-Purpose Battery Charger is a 7 Step, fully automatic switch-mode battery charger. It charges smaller batteries such as a motorcycle or ATV. It can maintain a battery such as a car or RV. The unique feature of this charging system is it's ability to automatically dissolves harmful sulfates using safe, high frequency pulse technology.  Charges fully every time. Case type: table top. Input Voltage AC: 110-120 VAC. Working Voltage AC: 85-130 VAC. Input Current: 600mA RMS Max. Efficiency: 85% Approx. Power: 30W Max. Charging Voltage: 7.2/14.4, 7.4/14.7V (Cold/AGM). Charging Current: 1100mA. Back Current Drain: less than 5mA. Ripple: less than 2%. Operating Temperature: 14°F - 104°F. Charger Type: 7 Step, Fully Automatic, Switch-Mode. Type of Batteries: 6V & 12V Lead-Acid. Battery Chemistries: Wet, Gel, MF & AGM. Battery Capacity: 2.2-40Ah, Maintains All Battery Sizes. Housing Protection: IP65. Cooling: Natural Convection. Noise Level: less than 50dB. Dimensions: 6.1"L x 2.5"W x 1.6"H. Charges 6V to 12V batteries. 2x faster than other chargers. Fuse protection from short circuiting. Light weight and compact. Comes with: G1100 Charger. 6' Power Cord. 5' DC Cord. 2' Battery Leads. Battery Clamp Connectors. Eyelet Terminal Connectors. Owner's Manual & User Guide. Limited 5 year manufacturers warranty.