48V Premium Backup System – 50Ah Self-Heating LiFePO4 Battery & 3500W Pure Sine Wave Solar Inverter Charger

Offers an impressive 6000 cycle life for long, reliable use. Heats up automatically to ensure safe charging below 32°F. Expands up to 19.2kWh with 8P configuration for scalable storage. IP65 rated for water and dust resistance in challenging conditions. BMS protections ensure battery safety and stability for peace of mind.     48V 50Ah Smart Lithium Iron Phosphate Battery Power Ahead with 48V Self-Heating         Unparalleled Quality Packed with Performance Pay Less. Enjoy More Unparalleled Quality, Inside and Out Built to provide reliable power for years, so you can confidently and comfortably live off the grid. Packed with Performance Top-tier LiFePO4 pouch cells ensure steady power and a lifespan that lasts over a decade. Pay Less. Enjoy More Get more usable power for a fraction of the cost of traditional lead-acid batteries and other 48V options.       Extra Warmth Makes a Difference Consistent Charging Across Cells Power You Can Rely On   Extra Warmth Makes a Difference Equipped with built-in heating pads to guarantee safe charging in cold climates without compromising long-term performance.     Consistent Charging Across Cells Maintain uniform charging across internal battery cells to maximize overall efficiency, usable capacity, and service life.     Power You Can Rely On Passes rigorous tests—including drop, electro magnetic compatibility, forced overcharge/discharge, and crash tests—ensuring it meets the highest standards for a quality battery.         Power Your Tool Sheds   Plug your sheds into solar for an independent power supply and unleash your creativity and productivity with power tools.     Power Your Remote Cabins   Tired of the noise from gas generators? Transform your cabin into a self-sufficient home with an expandable power supply to easily run multiple appliances for seasonal vacations or weekend getaways.   Package Includes 48V 50Ah Smart Lithium Iron Phosphate Battery 1 x   Long Terminal Bolts (2 x M8 x 1.25 x 20 mm) 2 x   User Manual 1 x   Insulting Sleeve 2 x     Renogy 48V 50Ah Smart Lithium Iron Phosphate Battery   Electrical Specifications Battery Type: Lithium Iron Phosphate Rated Capacity: 50Ah Voltage: 48V Voltage Range: 42V~55.5V Energy: 2400WH Cycle Life (0.5C Charge/0.5C Discharge, 25℃): ＞6000 Cycles (80% DOD, 80% EOL) Connection Method: Parallel (UP to 8) Self-Heating: Yes  Charging Parameters  Charge Cut-off Voltage: 54V Maximum Continuous Charge Current: 50A  Discharging Parameters  Maximum Continuous Discharge Current: 50A  Temperature Parameters Operation Temperature Range-Charge: 32°F to 131°F / 0°C to 55°C  Operation Temperature Range-Discharge: -4°F to 140°F / -20°C to 60°C Storage Temperature Range: -13°F to 149°F / -25°C to 65°C Standard Operation Temperature: 77°F±9°F (25°C±5°C) Relative Humidity: 5% to 95% Mechanical Specifications Dimension (L x W x H): 15.1*7.6*9.8 in / 384*195*248 mm Weight: 51.4 lbs / 23.3 Kg Terminal Bolt: 2 x M8 Protection Rating: IP65 Housing Material: ABS  Communication  Built-in Bluetooth: No Communication Port: No Warranty Material and workmanship warranty: 5-year prorated material and workmanship warranty  Certifications MSDS、UN38.3、FCC、IC、UKCA、CE、PSE、ROHS: Yes  Shop By Scenario: Cabin Shop By Scenario: Home 1. What are the greatest advantages of Renogy 48V batteries?   Renogy 48V lithium batteries are equipped with the latest pouch cell technology, offering superior performance and safety. Unlike many competitors that use recycled battery cores, Renogy batteries are built for longevity and efficiency. These batteries also feature a self-heating function, an auto-balancing system, and an advanced Battery Management System (BMS). Additionally, Renogy 48V batteries undergo rigorous testing, including free drop tests, electromagnetic compatibility, forced overcharge/discharge tests, and crash tests, ensuring reliable and safe operation. 2. What exactly are pouch cells?   Pouch cells are lithium-ion battery cells housed in a lightweight aluminum-polymer film, as opposed to traditional hard metal casings. They offer a significant weight advantage while maintaining excellent cycle performance. When damaged, pouch cells allow gas and heat to escape safely through a sealing port, reducing the risk of violent reactions. In contrast, hard metal casings can explode under similar conditions, making pouch cells a safer and more efficient option. 3. What life improvements will I see if I upgrade from a 12V to a 48V system in my RV?   Upgrading to a 48V system in your RV allows you to power high-energy appliances such as air conditioners, refrigerators, and ovens, greatly enhancing your off-grid living experience. A 48V system also enables the use of thinner, more cost-effective cables, reducing transmission losses and improving safety. This setup allows for more efficient energy usage and can handle higher power demands than a 12V system. 4. How long can a 48V lithium-ion battery be used for?   A 48V lithium-ion battery can withstand up to 4500 full charge-discharge cycles, maintaining around 80% of its original capacity after this period. If charged and discharged daily in an off-grid environment, the battery can last for more than ten years, making it a durable and long-lasting energy storage solution. 5. How many 48V lithium-ion batteries can be connected together at once?   You can connect up to 8 Renogy 48V lithium-ion batteries in parallel. The built-in auto-balancing function ensures that connecting multiple batteries in parallel is safe and efficient, enhancing overall system stability. 6. What is the function of the switch button on a 48V lithium-ion battery?   The switch button allows for one-touch activation of the 48V lithium-ion battery and its BMS system. This feature enables easy power control, reducing wear and tear when the battery is not in use, enhancing storage safety, and extending the battery’s lifespan. 7. How should I handle the battery after it arrives?   Upon receiving your 48V lithium battery, be aware that it may have a low State of Charge (SOC) due to shipping and storage. To ensure optimal performance, charge the battery immediately to prevent over-discharge. If storing the battery for an extended period, maintain a charge level between 30% and 50% and perform maintenance checks every three months to preserve its functionality. More questions about your off-grid power system? Learn more from Renogy Learning Center!