SUNFLX FlxStation 20.0 20kW 51.2V LiFePO₄ Lithium-Ion Battery

Description

The Sunflx FlxStation 20.0 Lithium-Ion Battery is a high-capacity 20.99kWh energy storage solution designed for residential, commercial, and off-grid solar power systems. Built with advanced LiFePO₄ (Lithium Iron Phosphate) prismatic cells, it delivers exceptional safety, long service life, and reliable performance for daily energy storage applications. Featuring a 51.2V, 410Ah battery configuration, the FlxStation 20.0 supports 100% depth of discharge (DOD) and can be connected with up to 15 batteries in parallel for scalable energy storage. The integrated Battery Management System (BMS) provides comprehensive protection against overcharge, over-discharge, overcurrent, short circuits, and temperature fluctuations, ensuring safe and efficient operation. Key Features 20.99kWh usable battery capacity 51.2V DC, 410Ah LiFePO₄ prismatic battery cells 100% configurable Depth of Discharge (DOD) Supports up to 15 batteries in parallel Built-in Wi-Fi and Bluetooth monitoring RS232, RS485, and CAN communication interfaces 4.3-inch touchscreen with LED status indicators Intelligent BMS with multiple protection functions Compatible with major hybrid and off-grid solar inverters Floor-standing design with natural convection cooling Parameter FlxStation 20.0 Specification Model FlxStation 20.0 Battery Usable Capacity 20.99kWh Battery Capacity 410Ah Cell Technology LiFePO₄ Prismatic Cell Nominal Voltage 51.2V DC Cell Configuration 16 Cells in Series, 2 Series in Parallel Operating Voltage 43.2–58.4V DC Full Voltage Difference ≤20mV Depth of Discharge (DOD) 100% (Settable) Default Charging Current 200A Maximum Charging Current 200A Default Discharge Current 200A Maximum Discharge Current 200A BMS Protection Current 220A (2s), 240A (0.2s) Low Voltage Cut-off (Default) 43.2V DC Low Voltage Recovery (Default) 48V DC High Voltage Cut-off (Default) 58.4V DC High Voltage Recovery (Default) 54.4V DC Display 4.3-inch Touch Screen, LED Indicator Maximum Parallel Connection Up to 15 Batteries Monitoring Built-in Wi-Fi & Bluetooth Communication RS232, RS485, CAN Compatible System Hybrid / Off-Grid Solar System Inverter Compatibility Compatible with Major Inverter Brands Operating Temperature Charge: 0°C to +50°C, Discharge: -20°C to +60°C Storage Temperature -10°C to +50°C Mounting Method Floor Standing Cooling Method Natural Convection Humidity ≤95% RH (Non-condensing) Maximum Altitude ≤4000m Dimensions (H × W × D) 350 × 615 × 820 mm Weight 170 kg Protection Degree IP20 Protection Functions Short Circuit Protection, Over/Under Temperature Protection, Over Current Protection, Low/High Voltage Protection, MOS Temperature Protection, Battery Cell Overcharge & Overdischarge Protection Warranty 5 Years Certifications UN38.3, MSDS, RoHS