Lightweight, compact and durable charging system designed for the harshest conditionsFully encased and sealed in epoxy, making it resistant to water, shock and vibrationFully automatic and microprocessor controlled constant four-step charging system: qualification, bulk charge, absorption and float/ maintenanceReverse polarity protection no damage to charger or battery72-hour safety timer to prevent damage to marginal batteriesQuick-connect harness and alligator clips includedUL/ CSA/CE compliant