Norsk 11.1V 15AH Lithium-Ion Battery with Charger

Designed to provide 15+ hours of runtime on the most common sonar units with screens up to 7″. This little powerhouse is the same dimensions as a standard flasher battery (5.94 X 2.56 X 3.66 In) but weighs only 2.6 lbs. 1000+ charge cycles, 2-year limited warranty!