Minn-Kota On-Board Precision Charger MK-318 PCL 3 Bank x 6 AMP LI Optimized Charger One Size. Plus they are optimized to deliver the exact charge you need creating longer run times and extending the overall life of your battery. . Specifications for Minn-Kota On-Board Precision Charger: Manufacturer: Minn-Kota Additional Features: No Condition: New Weight: 10.95 lb Quantity: 1 Age Group: Adults Gender: Unisex Package Contents: Minn-Kota Precision Chargers Minn-Kota 1833181: On-Board Precision Charger MK-318 PCL 3 Bank x 6 AMP LI Optimized Charger One Size