1. Compact USB charger designed for DJI Osmo Action 5 Pro / 4 / 3 battery. 2. 2 in 1 charges two batteries and stores them when not in use. Better battery protection 3. Smart match, fast charging 4. Compatible with various devices (laptop, car charger, USB plug, etc.) 5. Input: 5-12V, output: 4.5V/ 3A or 2A
