DJI Battery Charging Hub for Spark Brand New Includes Manufacturer's Warranty Product # CP.PT.000870 The DJI Spark Battery Charging Hub is designed for use with the Spark Intelligent Flight Battery. It can charge up to three Intelligent Flight Batteries. The Intelligent Flight Batteries will be charged in sequence or simultaneously. The hub optimizes charging based on batteries' power levels and cell voltage. As an added safety measure, when battery temperatures are low, the Charging Hub will limit the charging current to prevent a hazard and prolong battery life. Spark Battery Charging Hub Features Charging Hub Part 7 Charges Three Batteries in Sequence Optimizes Charging Based Power Levels Power Cable Charger Included Prolonged Battery Life Intelligent Current-Limiting Feature