11/13/17 Zonerecommend use batteries with output power greater than 15W,

2/4/8/9 Zone recommend use batteries with output power greater than 10W,

for example ：output power 10W=5V*2A   / output power 22.5W=5V*4.5A

3：Recommend  batteries model, please use batteries with high USB Power Delivery（unit：W）， The higher the USB Power Delivery, the higher the heating temperature.（output Power (W)=Voltage (V) × Current (A).）

2：We are Asian size, 2-3 sizes smaller than European size, please choose the right size according to our size chart。

1：Battery not included