The Amped Outdoors 12v 130AH Dual Purpose Lithium Battery-Heated is a powerhouse for outdoor adventurers! It is designed to serve as a reliable source of portable power and an efficient motor starter. Boasting advanced Bluetooth technology exclusive to Amped Outdoors, this dual-purpose lithium marine battery allows users to monitor one or multiple batteries simultaneously, offering unparalleled convenience and control. Its dual-purpose nature makes it perfect for a range of activities, from powering boat electronics and trolling motors to serving as an essential companion for outdoor portable power needs.Weighing just 31 lbs., this Amped battery provides a capacity similar to significantly heavier SLA batteries, enabling users to achieve greater distances with less weight. The 12-volt battery is also engineered to be wired in series up to four units for higher voltage demands, further enhancing its versatility. The active heating feature kicks in when temperatures drop, warming your battery to 32degF so charging can begin. As it heats up to 50degF, the charger gradually increases to full power, ensuring reliable performance even in the coldest conditions. This Amped Outdoors lithium battery elevates the outdoor experience with its robust features and ensures users can enjoy their adventures with fewer worries about power supply and battery durability.Bluetooth Monitoring: Advanced technology for real-time battery status checksActive Heating technology Dual Purpose Functionality: Ideal for motor starting and powering electronics and trolling motorsLightweight Design: Offers significant capacity at half the weight of comparable SLA batteriesSeries Wiring Capability: Can wire up to 4 batteries in series for increased voltageIP67 Waterproof Case: Provides top-notch protection against water and dustHeated Charging Functionality: Ensures efficient charging in cold conditionsLong Life Cycle: Over 2000 cycles for prolonged use and reliabilityBattery Specifications:Reserve capacity: 312 min @25ANominal voltage: 12VDischarge cut-off: 10VCharge cut-off: 14.65VCharge current: 90A or less recommended. 165A maxMax charge/alternator voltage: 14.8VCont. discharge: 165APeak discharge: 500ACranking amps 800A (5S)Discharge temperature: -20 - 75Charge method: CC/CVLife cycle: 2000+Terminal type: 8MM boltsDimension: 12.9 in. x 6.77 in. x 8.66 in.Weight: 31 lbs. Manufacturer's 10-year warrantyQuantity per pack: 1