HumsiENK 12V 300Ah LiFePO4 Lithium Battery Mini with Bluetooth(314Ah), Built-in 200A BMS, 15000 Deep Cycles,12V Marine Battery Waterproof with Low-Temp Protection for Torlling Motor RVs Solar System

Ultimate 300Ah LiFePO4 Battery with Bluetooth - Power Your Adventures <br> Experience next-generation energy with our 12V 300Ah LiFePO4 battery with Bluetooth - the smart power solution that doesn't quit. This 300Ah LiFePO4 battery delivers 4.19kWh of reliable energy and withstands 15,000+ deep cycles, outperforming traditional batteries by 30x. Weighing just 59.5 lbs with a compact 15.1×9.7×7.6-inch design, this 12V 300Ah Bluetooth LiFePO4 battery provides twice the capacity of lead-acid alternatives while saving crucial space. <br> Stay connected to your power with real-time Bluetooth monitoring, allowing you to track voltage, temperature, and charge status directly from your smartphone. The advanced 200A BMS ensures complete protection against overcharge, over-discharge, and short circuits, while automatic temperature cut-offs safeguard your investment in extreme conditions. <br> Perfect as a trolling motor battery lithium system or RV power source, this 300Ah LiFePO4 battery with Bluetooth supports expansion up to 64.3kWh for growing energy needs. Whether you're fishing offshore, camping off-grid, or powering your home solar system, this lifepo4 battery 12V 300Ah Bluetooth delivers unmatched performance and peace of mind. <br><br> 【Key Features】<br> • 300Ah LiFePO4 battery with Bluetooth monitoring<br> • 4.19kWh capacity &amp; 15,000+ deep cycles<br> • Compact design: 59.5 lbs, 15.1×9.7×7.6 inches<br> • 200A BMS with full protection suite<br> • Expandable to 64.3kWh systems<br> • Ideal trolling motor battery &amp; marine use<br> <br> 【Perfect For】<br> Trolling motors • RVs • Marine applications • Solar systems • Off-grid power • Emergency backup • Golf carts • Home energy storage

• 【4.19kWh Power & 15,000+ Cycles】Experience long-lasting energy with our 12V 300Ah LiFePO4 lithium battery. It delivers 4.19kWh of power with nearly 100% depth of discharge and withstands 15,000+ deep cycles—outperforming lead-acid batteries by decades.
• 【Lightweight & Space-Saving Design】Get more power in less space. This 12V 300Ah LiFePO4 battery is 40% lighter than traditional options and features a compact, mini design that fits easily in RVs, marine setups, and off-grid systems.
• 【Advanced Safety with 200A BMS】Equipped with a built-in 200A Battery Management System, this LiFePO4 battery ensures complete protection against overcharging, over-discharging, and short circuits. It’s completely maintenance-free and safe for indoor or outdoor use.
• 【Expandable Up to 64kWh】Scale your power system as needed. Connect multiple 12V 300Ah LiFePO4 batteries to build up to 64kWh of energy storage—ideal for solar setups, home backup, RVs, and marine applications.
• 【All-Weather Reliability】Engineered to perform in extreme conditions, this LiFePO4 battery includes low-temperature cut-off protection, preventing charging in freezing temperatures to extend battery life.
• 【Bluetooth Monitoring & Smart Control】Stay in control with real-time Bluetooth monitoring. Use the companion app to check voltage, temperature, and battery status from your smartphone.
• 【Versatile 12V Power Solution】Ideal for trolling motors, marine use, RVs, solar power storage, camping, emergency backup, and more. This 12V 300Ah LiFePO4 battery is your go-to source for reliable, high-capacity energy.