HumsiENK 12V 300Ah (314Ah) LiFePO4 Lithium Battery Max. 4019Wh,15000+ Deep Cycles,200A BMS with Bluetooth,Lithium Iron Phosphate Rechargeable Battery Great for RV, Marine and Off Grid, 2 PACK

• 【4.19kWh & 15,000+ Deep Cycles】Our 12.8V 300Ah (314Ah) LiFePO4 battery (2 PACK) offers an impressive 15,000+ deep cycles, lasting 30 times longer than traditional 300Ah lead-acid batteries. Fully charged, the LiFePO4 battery delivers 4.19kWh of energy with nearly 100% depth of discharge (DOD), ensuring reliable power for your devices.
• 【Lighter & More Compact】Thanks to its high energy density, this lithium battery provides double the usable capacity of lead-acid batteries while being 40% lighter. Weighing only 59.5 lbs and measuring 15.1×9.7×7.6 inches, it saves valuable space without compromising power.
• 【Built-in 200A BMS – Safe & Maintenance-Free】The advanced Battery Management System (BMS) offers overcharge, over-discharge, overcurrent, and short-circuit protection, ensuring long-term safety and stability. A high-temperature cut-off prevents charging above 158°F (70°C), making it safer than lead-acid alternatives. Perfect for both indoor and outdoor applications.
• 【Up to 64.3kWh Expandable Energy Storage】Supports 4S4P configurations, enabling up to 51.2V 1256Ah and a massive 63.48kWh energy system. Ideal for home solar storage, emergency backup, RVs, and marine travel, this expandable power solution meets high-energy demands effortlessly.
• 【Low-Temperature Cut-Off for Protection】The integrated BMS automatically cuts off charging in low-temperature conditions, preventing irreversible battery damage and ensuring longevity in extreme climates.
• 【Real-Time Bluetooth Monitoring & Smart BMS】Bluetooth 5.0 Connectivity – Monitor voltage, temperature, and charge status in real-time via the Humienk Smart App (iOS/Android). We are constantly upgrading the Bluetooth app to enhance user experience.
• 【Wide Applications】Perfect for home energy storage, UPS backup, RVs, campers, golf carts, trolling motors, houseboats, solar systems, digital/CCTV cameras, DIY projects, and more. A versatile solution for both recreational and professional use.

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