The Schumacher SP1297 Battery Charger and Maintainer is ideal for maintaining power sport, car, and boat batteries. This battery charger delivers 3 amps to charge and maintain lithium-ion (LiFePO4), standard, and AGM vehicle batteries. With an internal microprocessor to automatically adjust the amperage and a float-mode monitoring feature that maintains an optimum charge, this charger delivers optimum precision, safety, and battery life. The SP1297 is easy-to-use for professionals and novices alike with its scrolling digital messaging that offers step-by-step instructions to properly charge a battery. The quick-connect harness can connect to a battery in seconds, while reverse hook-up protection prevents damage to the battery and charger if the clamps are reversed.• Meets the highest industry standards for energy efficiency• Hook attachment for hanging the charger outside of the work areaContents includeSchumacher SP1297 Battery ChargerBattery clamp quick-connect harnessRing connector quick-connect harnessUser manualSpecificationsDimensions: 7.38"W x 2.88"D x 9.38"HWeight: 2.16 lbs. Input Current: 0.91AInput Voltage: 120V ACOutput Current: 3AOutput Voltage: 12V DCSafety Certifications: ULBattery Type: Standard, AGM, Deep Cycle, Lithium Ion Float-mode monitoring maintains an optimum charge Scrolling digital messaging offers step-by-step instructions Quick-connect harness can connect to a battery in seconds | Schumacher SP1297 3A 12V Automatic Battery Charger/Maintainer