【Compatible】This 2 in 1 battery car charger including two smart battery charging ports and one USB charging port. Dual battery charging ports can simultaneously charge DJI Mini 4 Pro /Mini 3 Pro/Mini 3 batteries in parallel. 【Charging time】Approximately 50 minutes can fully charge 2 batteries at the same time. 【Product Features】 Gold-plated copper battery connector, better contact, lower heat; built-in intelligent safe charging SMD fuse, providing multiple protection for the battery, safe and fast charging. 【Output and input】 Input 12-24V; Output 1: 8.5V 3.9A; Output 2: 8.5V 3.9A; Output 3: 5V 1.5A; . 【What You Get】1 x Car Charger (Note: Batteries/Remote Control/Remote Control Charging Cable Not Included)