100A 6V/12V Fully Automatic Battery Charger/Engine Starter. 100A ENGINE START | 30A BOOST | 6 2A CHARGE/MAINTAIN. FOR ADVANCED DIAGNOSTIC TESTING， ENGINE STARTING & CHARGING. Powerful enough for starting SUVs， trucks and large batteries.

Product Features:

• Battery and alternator tester ─ provides charge level and helps diagnose electrical problems.
• Digital display， LED indicators and button controls ─ for ease and accuracy. Microprocessor controlled ─ automatically adjusts the amperage rate to charge and maintain.
• Multi-stage charging for added precision， safety and battery life.
• Float mode monitoring ─ automatically maintains optimum battery charge.
• Auto voltage detection ─ 6 or 12 volt.
• Reverse hook-up protection ─ charger will not operate if clamps are reversed; LED will flash.
• Wrap cleats ─ provide convenient cord storage.