HumsiENK Bluetooth 12V 300AH(314Ah) LiFePO4 Lithium Battery MiNi, 4190Wh Energy for Last Long, 15000 Deep Cycles Trolling Motor Battery with Low-Temp Protection for RVs, Solar System, Off-Grid

【Smart Bluetooth Monitoring & Compact Design】Stay in control with our 12V 300Ah LiFePO4 battery featuring built-in Bluetooth connectivity. Monitor voltage, current, and capacity in real-time through the mobile app from up to 15 meters away. This 12V mini LiFePO4 battery combines advanced monitoring with a space-saving design measuring just 15.24×9.72×7.6 inches and weighing only 61.7 lbs—40% lighter than traditional batteries. 【Long-Lasting Power & Superior Performance】Experience exceptional energy storage with this 12V 300Ah Bluetooth LiFePO4 battery. Delivering 4.19kWh of power and rated for 15,000+ deep cycles, it provides up to 10 years of reliable service—outperforming lead-acid batteries by 30x. Built with impact-resistant construction for enhanced durability. 【Expandable Energy System】Scale your power needs effortlessly with 4S4P configuration support, creating energy systems up to 64.3kWh. Perfect for home solar storage, RV power, marine applications, and off-grid living, this 300Ah LiFePO4 battery with Bluetooth adapts to your growing energy demands. 【Advanced Safety & Protection】Equipped with Grade A+ cells and a 100A BMS, this lithium iron phosphate battery ensures complete protection against overcharge, over-discharge, and short circuits. Features automatic temperature cut-off protection—both high-temperature (145°F) and low-temperature charging prevention—for safe operation in various climates. 【Versatile Applications】Ideal for RVs, solar systems, trolling motors, golf carts, home backup power, and marine use. This 12V 300Ah Bluetooth LiFePO4 battery delivers reliable performance for both recreational and professional applications, backed by comprehensive customer support.