Introducing theBanshee Automatic Battery Charger/Maintainer/Engine Start. For all 12V lead-acid batteries, SLI or Deep Cycle! 3 charge modes:Slow Charge (2A), Fast Charge (12A), & Engine Start (75A) for emergencies. Automatically enters Maintainer Mode once the battery is fully charged.Fully protected against Overcharge, Short circuit and Reverse polarity. 6 foot long cable to alligator cables and a built-in carrying handle for ease of use. 2 LED Indicators show Power On & Full Charge, as well as a built-in Ammeter to show the charge current. See the full specifications below! 2 Year Warranty. 30 Day Money Back Guarantee.