1. Suitable for DJI Action 3 / Action 4 battery charger, can charge 2 batteries at the same time in about 70 minutes (batteries not included) 2. Multiple protections, such as overvoltage protection, overcurrent protection, short circuit protection, overheating protection, overcharge protection, and overload protection. 3. Multiple charging options, can be charged through any USB power source, such as a power bank, car charger, laptop, etc. 4. Red light when charging, green light when full and empty 5. Input: 5V 3A 6. Output: 4.4V/1.5A x 2 7. Product size: 8.2 x 6.2 x 2.1CM 8. Net weight: 65g
