Advanced Bluetooth Technology: Monitor one or multiple batteries simultaneously, exclusive to Amped Outdoors Heated Charging Functionality: Charges below freezing, active heating function for optimal performance IP67 Waterproof Rating: Ensures durability and longevity in harsh outdoor conditions High Capacity & Weight Reduction: Offers capacity similar to SLA batteries double its size, at half the weight Versatile Compatibility: Wire up to 4 batteries together in series for higher voltage, compatible with various chargers Experience unmatched power and durability with the Amped Outdoors 130Ah Dual Purpose Lithium Battery. This 12.8V battery, weighing 31 pounds, is designed for motor starting, boat electronics, trolling motors, and outdoor portable power. With a capacity similar to SLA batteries double its size but at half the weight, it allows you to go further. Key features include advanced Bluetooth technology for monitoring multiple batteries, heated charging for temperatures below freezing, and compatibility with various chargers. It offers a nominal capacity of 130Ah, a continuous discharge of 165A, and a peak discharge of 500A, making it suitable for up to 250HP motors. The battery is IP67 waterproof, ensuring durability in harsh conditions, and comes with an impressive 10-year warranty. Measuring 12.9 x 6.77 x 8.66 inches, it's designed for easy installation and use.