The Norsk 14.8V 20.8AH NMC Battery delivers high-capacity power specifically engineered for live imaging and forward-facing sonar systems like Humminbird MEGA Live Imaging, Garmin Livescope, and Lowrance ActiveTarget. This fish finder battery is designed to handle the high power draw of larger digital displays, ensuring you get reliable, long-lasting energy on the water. The portable sonar battery is perfect for extended fishing trips with advanced features like Norsk Guardian Bluetooth monitoring, an upgraded battery meter for easy charge checks, and Deep Sleep mode to conserve power. The dual waterproof USB ports (USB-A and USB-C) allow you to charge other devices, while the IP67 rating ensures complete water and dust protection. Compatible with shuttles from ArcLab, Fin Gear, and Summit, this battery includes a 16.8V 3A charger for optimal recharging. Designed for live imaging and forward-facing sonar systems Fish finder battery engineered for high-power draw digital units Designed for digital units with larger displays IP67 waterproof rating for durability Dual waterproof USB-A and USB-C ports for device charging Bluetooth monitoring with Norsk Guardian and upgraded battery meter Deep Sleep mode Includes 16.8V, 3A charger for fast, reliable charging Specifications: Battery type: NMC (Nickel Manganese Cobalt) Capacity: 20.8Ah Operating Voltage: 11.2V-16.8V Size: 5.875 x 3.875 x 3.875 in. Weight: 3.85 lbs. Manufacturer's 4 + 2 Year, non-prorated warranty