USB cable Features:
Input:5V 2.4-4A
Output:8.4V 2A
Conversion efficiency:92%(DC-DC Efficient conversion rate)
QC3.0 USB Charger Specifications:
Item Type: QC 3.0 Quick Charging Wall Charger Adapter
Interface: USB 3.0
Input: AC 100-240V 50/60Hz 0.5A
Quick Charge 3.0 Port: Output: DC 12V/1.5A, DC 9V/2A, DC 5V/3A
Replace the camera battery handle grip or carry more batteries,camera insert battery grip will too heavy,is not conducive to taking pictures.
Compatible with:
For Panasonic DMC-GM1K
 DMC-GM1 DMC-GM5
 DMC-GF7
DMC-GF8
LX10
LX15
Package:
1 x  USB drive cable DMW-AC8
1 x  DC coupler DMW-DCC15
1 x QC3.0 USB Adapter
Warranty:12 months
note:
1.In order to make your camera work better,please use a high-quality mobile power, mobile power bank is output guarantee of at 5V 2 AMP to 4 AMP current. When the power is not enough, will not start or can not shoot properly, Please select a larger current of at least 2.4A, DC 3 Amps or more is better.
2.Do not use the computer USB supply for the camera,because most computer USB 2.0 output voltage is 5V,But the current is less than 500mA.
3. Some mobile phone / tablet usb charger with identification resistance, can not identify the camera, the current can not meet the requirements, it is not recommended.