Ultimate Power Expansion for the F3800. The BP3800 Expansion Battery is designed to dramatically increase power capacity for the Anker SOLIX F3800 Power Station. Users can connect up to 6 expansion batteries, increasing total capacity from 3840Wh to an incredible 26,900Wh. This ensures long-lasting energy availability for extended outages and demanding power applications. Key Features: • Expand Your Power Capacity: Scale from 3840Wh up to 26,900Wh with up to 6 expansion batteries • Reliable Energy Storage: Uses high-efficiency LiFePO4 (LFP) technology for optimal safety and durability • Seamless Connectivity: Designed exclusively for the Anker SOLIX F3800 Power Station • Smart Power Monitoring: Real-time tracking via the Anker Mobile Smart App (Wi-Fi & Bluetooth enabled) • Durable & Safe: Built for long-term operation with temperature monitoring & surge protection • Maintenance-Free Operation: No ongoing maintenance required • LCD Display: Shows real-time charge status and remaining battery life Technical Specifications: • Battery Type: LiFePO4 (LFP) Cells • Capacity: 3840Wh per unit (Up to 26,900Wh with 6 units) • Battery Life Cycles: 3,000+ cycles at 80% capacity • Weight: 34.5kg per unit • Dimensions: 392.7mm (W) x 354.7mm (D) x 262mm (H) • Warranty: 5 Years ^ 10-Year Lifespan