The Millertech 12V 100AH Dual Purpose Lithium Battery with Bluetooth delivers the cranking power needed to start large marine engines while supplying reliable energy for today's power-hungry electronics. Engineered with advanced LiFePO4 chemistry, it reaches 98% efficiency for consistent, long-lasting performance. Compact and lightweight at just 24.4 lb in a Group 24 form factor (10.23a ^2 A- 6.61a ^2 A- 8.35a ^2), it installs easily in a variety of setups. Heavy-duty terminals ensure safe, stable power transfer even under maximum demand, while built-in low-temperature charging protection keeps the battery safe in cold environments. Bluetooth integration connects directly to the MillerTech App, providing real-time battery data and seamless monitoring of multiple units from one platform. 12V 100AH LiFePO4 dual-purpose battery with 1,000 CCA starting power 98% efficiency for reliable performance and longer use per charge Compact Group 24 size, lightweight 24.4 lb build for easy handling Oversized heavy-duty terminals prevent heat build-up under load Low-temp charging protection ensures safe operation in cold conditions Bluetooth-enabled for real-time monitoring via the MillerTech App Specifications: Capacity: 100AH Voltage: 12.8V BMS: Yes Chemistry: LFP Efficiency: 98% Memory: None Max Charge/Voltage: 14.6V Max Charge/Discharge Current: 100A Peak Discharge Current: 150A Operating Temp: -4AdegF - 140AdegF Low Temp Charging Protection: Yes Cell Type: Prismatic Group Size: 24 Bluetooth: Yes Size: 10.23" x 6.61" x 8.35 Weight: 24.4 lbs. Manufacturer's 10 year warranty Quantity per pack: 1