HumsiENK 12V 320Ah LiFePO4 Battery with Bluetooth 4096Wh, 250A BMS | 3200W Output, Low-Temp Cut-Off, 58.6lbs Ultra-Light Replacement for 3x 100Ah, RV, Marine, Solar

Features

Details from the HumsiENK Amazon listing:

• 【Long Cycle Life, Cost-saving】This 12V 320Ah LiFePO4 lithium battery offers an exceptional service life of over 6000 deep cycles at 80% DOD, equivalent to more than 10 years of reliable service. It is suitable for solar systems, RVs, off-grid applications, boats, gardening equipment, and over 90% of energy storage scenarios. It has proven to be a more cost-effective investment, with significantly lower long-term costs than traditional lead-acid batteries.
• 【Bluetooth 5.0 Smart Monitoring】With a stable connection range of up to 8 meters, you can conveniently check your 300Ah LiFePO4 battery's vital signs—including voltage, current, capacity, and temperature—in real time via the HumsiENK App (available for iOS and Android). Whether you're in the next room or the garage, your data is live on your phone.Backed by a 5-year warranty and 24/7 customer service, it ensures a worry-free experience.
• 【Upgraded 250A BMS】 Our high-level Battery Management System (BMS) features a 600A(1s) peak discharge current and is engineered to defend against overcharging, over-discharging, overload, short circuits, and high & low temperatures, significantly reducing the risk of thermal runaway. It can still discharge normally at temperatures as low as -4°F (-20°C), meeting the demands of winter outdoor use. <32°F automatically cuts off charging to avoid damage to the 12v lithium battery cell. With its wide operating temperature range, this 12v 300ah lifepo4 battery is built to withstand severe environments, giving it a distinct advantage as an outdoor RV power source.
• 【High Capacity & Easy Installation】With a massive 320Ah capacity and 4096Wh of energy, this RV battery delivers twice the energy density of lead-acid batteries of the same size, effortlessly powering high-demand devices like RV air conditioners and boat motors. Weighing just 59.75 lbs with a space-saving square design, it's easy for one person to handle and install. The standard M8 terminals ensure seamless compatibility with your existing systems.
• 【Fast Charge & Max. 65.5kWh】Enjoy charging flexibility with support for three sources: battery chargers, solar panels, and generators. With a rapid 1C charge rate, you can fully recharge the battery in just 1-2 hours. Its 4S4P design allows the system to be expanded up to 51.2V 1280Ah and a massive 65.5kWh energy system. Built to endure harsh environments, the IP65 rating ensures reliable protection against dust and water ingress.
• 【Wide Application】Our lithium battery can be used for home energy storage, UPS backup power, RV, camper, golf cart, trolling motor, yacht, solar system, digital/CCTV camera, DIY project, etc. Versatile solution for both leisure and professional use. If you have any questions, we can provide you with technical support and rapid response of customer service.