**Giveaway Complete**
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We run Norsk lithium batteries year round on the ice and in the boat. This 20.8AH was engineered to meet the demand for high-power draw digital units with larger displays and optimized for all-day performance. Checking how much battery is left running your Humminbird MEGA Live or MEGA 360 will be a thing of the past. Not to mention the two built-in USB ports are perfect for accessories, action cameras or charging your cell phone.