MINI3/4 SERIES ALL-IN-ONE POWER KIT: One kit includes everything you need—tow high-performance smart flight batteries and a three-channel fast charger. Perfectly compatible with DJI Mini 3, Mini 3 Pro and Mini 4 Pro, easy to install, and provides stable communication with your drone, delivering reliable power for longer and safer flight. 3-IN-1 SMART FAST CHARGER HUB: Athlife intelligent hub charges up to three batteries at once with smart power distribution. Indicator lights show real-time voltage, current, and battery level for each port. Features a Type-C interface (5V 3A/9V 2.2A/12V 1.66A/15V 1.33A). Input: 5V/9V/12V/15V/20V–3A max; Output: 8.5V–4.0A max. Built-in temperature control and auto power adjustment improve safety and extend battery life. Note: Charging order is automatically managed from high to low. EXTENDED FLIGHT TIME & HIGH-EFFICIENCY OUTPUT: The Intelligent Flight Battery for the Mini 3/4 Series is designed for lasting endurance and stable output. With a high capacity of 3850mAh, Maximum flying time: 45 minutes(Mini 4 Pro) / 47 minutes(Mini 3 Pro) / 51 minutes(Mini 3) (tested under ideal conditions). Engineered for stable output and low energy loss, the battery ensures powerful performance, smooth connectivity, and long-lasting flight stability even in demanding aerial conditions. PROFESSIONAL MANAGEMENT & CERTIFIED SAFETY: Engineered with a high-efficiency power management system (7.38V, 3850mAh, 28.41Wh, Max 8.5V), this intelligent flight battery delivers stable output even in extreme conditions — perfect for professional aerial mapping, inspection, and filming. Built-in multiple protection circuits prevent overcharge, overdischarge, short circuit, and overheating, ensuring long-lasting performance and flight safety. Certified by ROHS, CE, and UL for dependable quality. TRUSTED SAFETY & RELIABLE PERFORMANCE: Equipped with an advanced Battery Management System (BMS), It features no memory effect. Features a flame-retardant and durable casing with excellent heat dissipation. Each Mini 3/4 battery is individually tested with DJI aircraft and chargers before leaving the factory to ensure full compatibility and reliability. Athlife Mini 3/4 Series Intelligent Flight Battery 2 Pack 3850mAh 7.38V Replacement Battery with 3 Slot Rapid Charging Hub, Compatible with DJI Minin 3/Mini 3 Pro/Mini 4 Pro Up to 47Mins Flight Time