This N3172-24 25.6V 72Ah Lithium Ion Trolling Battery with certified NMEA 2000 connectivity and OLED display is our premium 24V battery. It is perfect for tournament anglers using 24V motors. It's only 33.0 lbs, yet has the capacity of two group 31 marine batteries. Lightweight flats boats can take 110 lbs out of the boat. With 166 reserve minutes, it has the power to troll all day. Plus, it charges with a DC charger (sold separately) or other DC systems like the CHARGE™ from PowerPole. 13"L x 6.81" W x 8.43" T, it fits most marine battery trays and can be installed quickly. It's "strong all day long" – a 25.6V LiFePO4 compatible charger is required.