• Automatic Operation
• 40 Amp high 12V charge rate
• 20 Amp medium 12V charge rate
• 2 Amp low 12V charge rate
• 20 Amp high 24V charge rate
• 2 Amp low 24V charge rate
• 230 Amp 12V engine start
• Digital Display
• Full size clamps penetrate corrosion on battery terminals
• Reverse polarity, over-voltage protection and shorted cell detection