Minn Kota On-Board Precision Battery Charger - Longer run times. Shorter charge times. That's the precision difference that keeps anglers on the water longer and puts more fish in the boat. Now, the next generation of this legendary line of chargers has been optimized for 12 volt lithium (LiFePO4) batteries. Precision chargers feature battery-type selection by bank, which now includes charge curves specially formulated for the high demands of lithium batteries, and can even wake these battery types from standby. Each charging bank can be selected to your specific battery type (AGM, gel or flooded lead acid) to guarantee a safe, protected charge Automatic Temperature Compensation - Precision chargers sense and adjust to ambient temperature fluctuations to ensure a fast, accurate charge Low-Line Voltage Compensation - When outlets don't put out the 120 volts they are supposed to, Precision Chargers compensate to deliver a fast, consistent charge no matter what Battery Equalization - Cleans and protect your battery (flooded lead acid only) every time you plug in. Also activates a more rigorous, complete cleaning at the push of a button Digital Control - Microprocessor-based design delivers a faster, more precise charge every time LED Indicator Lights - Inform of charge stage, maintenance mode status, error notifications and full charge Automatic Multi-Stage Charging - Controls the voltage and current your battery gets throughout the charging cycle, ensuring a fast, safe and precise charge Waterproof Construction - All on-board chargers are built to be waterproof, shock-resistant and vibration-resistant Power Cord and Battery Leads Length - 6ft each