Schumacher SC1309 Battery Charger with Engine Starter, Boost, and Maintainer - 200 Amp/40 Amp, 6V/12V - for Cars, Trucks, SUVs, Marine, RV Batteries
- RELIABLE POWER: 40 Amp quick boost mode and 200 Amp engine start for cars, trucks, SUVs, marine vehicles, and RVs.
- compatible with standard and AGM batteries.
- AUTO AMP ADJUST: Microprocessor-controlled to automatically adjust the amperage rate to charge and maintain.
- BUILT-IN TESTER: Battery and alternator tester provides charge level and helps diagnose electrical problems.
- auto voltage detection feature identifies 6V or 12V batteries.
- FLOAT MODE: Float mode monitoring automatically maintains optimum battery charge.
- SAFE AND RELIABLE: Reverse hook-up protection helps prevent damage to battery.