The Schumacher Electric SC1340 4-in-1 55 Cranking Amp 6 Volt and 12 Volt Fully Automatic Jump Starter, Battery Charger, Maintainer, and Desulfator is a convenient, durable, and useful tool for every home garage. If you've ever struggled with a dead battery or needed to jump start a vehicle, then owning a quality battery charger and jump starter like this one is an absolute must. With 55 cranking amp engine start, 10 amp boost, 6 amp charge, and 2 amp maintain rates, it covers all your battery charging and starting needs. Plus, it's desulfation mode restores sulfated batteries to working condition. The unit includes push-button controls, LED indicators, and color-coded clamps for easy use. It also features a heavy-duty metal enclosure that stands up to tough use. The SC1340 is compatible with 6 volt and 12 volt standard, AGM, and gel batteries.

• 4-in-1 Device: Jump starter, battery charger, battery maintainer, and desulfator
• 55 cranking amp engine start 10 amp boost mode 6 amp charge 2 amp maintain
• Boost mode quickly brings deeply discharged batteries back to life
• Desulfation mode restores health to sulfated batteries
• Microprocessor-controlled to automatically adjust, charge, and maintain the amperage rate
• Multi-stage charging employs an advanced algorithm to maximize battery charge, health, and lifespan
• In float mode, the battery charger delivers a small current when necessary to keep the unit fully charged
• Reverse hook-up protection prevents damage to the charger and battery if the connections are reversed
• Heavy-duty construction with steel case and sturdy grip
• LED indicators and push-button controls
• Compatible with 6 volt and 12 volt standard, AGM, and gel batteries
• In the Box: Schumacher Electric SC1340 4-in-1 55 Cranking Amp 6 Volt and 12 Volt Jump Starter, Battery Charger, Maintainer, and Desulfator and user manual