Norsk Lithium 7.5AH Lithium Ion Battery

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. Don't store your battery for the winter. NORSK batteries include a patent-pending LED indicator and Dual USB accessory ports! Keep your phone charged and power accessories during all of your outdoor adventures.