Our best-selling all around battery. Designed to provide 15+ hours of runtime on the most common sonar units with screens up to 7". This little power house is the same dimensions as a standard flasher battery (151x65x94 mm), but weighs only 1.4 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.