The Schumacher 3A Battery Charger and Maintainer is a 3-in-1 solution for 6V/12V batteries. Effortlessly charge, maintain, and recondition 6V/12V batteries with a smart 3-amp battery charger and maintainer featuring versatile compatibility and advanced protection. Ideal for cars, motorcycles, ATVs, and marine batteries, it ensures safe and reliable power for every ride.3-in-1 Device â Charges, maintains, and reconditions batteries. Immediate Charging Power â Delivers 3-amp charging and maintaining. Smart Trickle Charge â Maintains 6V and 12V batteries safely over time without overcharging. Wide Compatibility â Works with gas and diesel vehicles, including wet cell, gel cell, deep-cycle, enhanced flooded, standard, maintenance-free, calcium, AGM, and lithium (LiFEPO4) battery types.2-in-1 Clamps â With Schumacher's Flex Eyelet Technology, the patent-pending clamp assembly transforms battery clamps into ring leads by removing a single screw and detaching the clamps. Low-Profile Clamp Design â A larger clamp opening and a low-profile design improves accessibility and makes it easier to connect hard-to-reach battery terminals. Push-to-Start Charging â Manually start the charger on batteries depleted as low as one volt. Battery Reconditioning â Extend battery life and improve performance with advanced desulfation mode. Reverse Polarity Protection â Prevents damage to the battery and vehicle if clamps are accidentally reversed. AC Powered â This unit, with a 6' power cord and 7' booster cables, must be plugged in during use. Permanently Mountable â Can be permanently mounted to walls, work benches, and other flat surfaces via mounting holes in unit. Dust and Water Resistant â IP66 rating allows for safe use in a wide range of environments with protection against dust and water intrusion. Folding Hook Attachment â Hang the charger outside of the work area. SpecificationsDimensions: 5.7" x 7.5" x 2.6"Weight: 1.68 lbs. Ideal for cars, motorcycles, ATVs, & marine batteries Flex Eyelet transforms battery clamps into ring leads Reverse polarity protection | Schumacher SC1681 3A 12V Battery Charger and Maintainer