Size 1-1/4" D x 4-1/2" W x 5-1/2" H Charges auxiliary or starting batteries from your inverter/charger with limited voltage drop

• 15 A maximum charge current, automatically adjusts for 12 or 24 volt battery banks, automatically switches on/off without affecting the battery bank or over-charging


• Other features include built-in thermal and over-current protection, reverse polarity protection and easy three wire installation