12V 300Ah LiFePO4 Battery, 3840Wh Lithium Leisure Battery with Bluetooth, Built in 100A BMS & Low-Temp Protection, for Solar,Fish Finder,Lighting,Home Backup 12V 300AH Bluetooth

• ＋ High capacity: 12V 300Ah (3840Wh) for long runtimes
• ＋ LiFePO4 chemistry: long cycle life, excellent thermal and chemical stability
• ＋ Built-in 100A BMS: protects against over/under-voltage, overcurrent and balancing
• ＋ Bluetooth monitoring: real-time status and diagnostics via app
• ＋ Low-temp protection: prevents charging in freezing conditions to protect cells

• 【Long-Lasting Power: 3.84kWh & 10-Year Lifespan】 Engineered to deliver 3.84kWh of energy and over 15,000 deep cycles, this 12V 300Ah LiFePO4 battery lasts up to 10 years—outperforming lead-acid batteries by 30x. Built with a rugged, impact-resistant shell for total reliability.
• 【Smart Control: Bluetooth Monitoring & BMS Protection】 Monitor voltage, temperature, and status in real time via Bluetooth 5.0 and the HumsiENK Smart App. Regular updates keep your experience seamless. The integrated BMS ensures safety from overcharge, over-discharge, over-current, and short circuits.
• 【Lightweight & Compact: More Power, Less Weight】 With dimensions of 20.63 × 9.65 × 8.66 inches and weighing only 59.52 lbs, this lithium leisure battery offers twice the usable capacity of lead-acid equivalents while being 40% lighter. Perfect where space and portability matter.
• 【Premium Safety: Grade A+ Cells & 100A BMS】 Featuring high-quality LiFePO4 cells and a 100A BMS with high-temperature cutoff (stops charging above 145°F). Ideal for outdoor and RV use, offering superior safety across varying climates.
• 【Scalable System: Expand Up to 61.44kWh】 Connect up to 4S4P for a massive 61.44kWh energy capacity. Ideal for home solar storage, marine use, RVs, and off-grid systems—ready to power high-demand applications with ease.
• 【All-Weather Reliability: Low-Temp Cutoff & 5-Year Support】 The smart BMS automatically disables charging in freezing conditions to preserve battery health. Backed by a 5-year warranty and 24/7 customer support.
• 【Versatile Use: From Home to Outdoor Adventures】 A true multi-role lithium leisure battery—powers RVs, solar setups, boats, trolling motors, UPS systems, golf carts, CCTV, and DIY projects. Your go-to 12V power source for leisure and professional use.