Schumacher's 10A 12V DOE Battery Charger energy efficient battery charger is fully automatic with 10A charge and 2A maintaining for basic charging applications and rugged use. Microprocessor-controlled to automatically adjust the amperage rate to charge and maintain standard, AGM and gel batteries. Reverse hook-up protection ensures charger will not operate if clamps are reversed. Monitors and maintains the battery when fully charged and resumes continuous charging when battery becomes discharged, so you can maintain it all season long. Includes heavy-duty metal case, LED indicators and Start/Stop button interface. Energy efficient to meet the highest industry standards.