UFO POWER 39000mAh 865.8Wh 22.2V 30C High Rate Battery Pack — Ultra-Lightweight Semi-Solid LiFePO4 Lithium Battery for FPV Drone UAV. Features: 22.2V (6S) nominal voltage, 39000mAh/39Ah capacity, 865.8Wh total energy, 30C high discharge rate, 500 cycles cycle life, Liquid (Semi-Solid) technology, ultra-lightweight construction at only 3KG. Dimensions: 20×15×10 cm. Operating temperature: -20°C to 60°C. Customization available: Drawing-based, sample-based, and full customization options. Gold Supplier on Alibaba, 100% on-time delivery, ≤6h response time. Ideal for professional FPV drone, UAV, and high-power applications requiring lightweight, high-energy-density battery solutions.