How to choose the suitable power adapter for your products, please choose:
1) voltage match
2) same connector diameter
Attention
1) This power adapter need to use 1 piece USB Male to DC cable (DC 2.5x0.7mm or 3.5x1.35mm or 3.0x1.1mm or 5.5x2.1mm or 5.5x2.5mm or 4.0x1.7mm) for connecting.
2) For example, if you want to use this adapter chargering for Acer Iconia Tab A500 A501 A200 A100 A101 tablet pc, then need to use 1 piece 12V 2A USB adapter + 1 piece USB Male to DC 3.0x1.1mm cable.
Below is the link for USB Male to DC 3.0x1.1mm cable.
product/2pcs-12V-2A-USB-Cable-Lead-Charger-Power-Cable-for-Acer-Iconia-Tab-A500-A501-A200/430029_1391892497.html
3) If you want use this adapter chargering for Yuandao N101 II Cube U9GT2 U9GT5 Ainol Hero V9 W22pro Visture V97 HD etc. tablet pc, then you need to use 1 piece 12V 2A USB adapter + 1 piece USB Male to DC 2.5x0.7mm cable.
Below is the link for USB Male to DC 2.5x0.7mm cable
product/10pcs-USB-Type-A-Male-to-5V-DC-2-5mmx0-7mm-Power-Supply-Plug-Connector-Cable/430029_1049543633.html
Input : 100~240V AC 50/60Hz
Output : DC 12V 2A
Plug type: EU
Connector diameter: USB port
Packing including
1 pc x 12V 2A USB Charger
![IMG_20180623_172743](https://ae01.alicdn.com/kf/HTB16DHRbVqZBuNjt_jqq6ymzpXaQ.jpg)
![IMG_20180623_172757](https://ae01.alicdn.com/kf/HTB1rWHBrOOYBuNjSsD4q6zSkFXau.jpg)
![IMG_20180623_172808](https://ae01.alicdn.com/kf/HTB1n7iHrNuTBuNkHFNRq6A9qpXag.jpg)
![IMG_20180623_172825](https://ae01.alicdn.com/kf/HTB1GHWUrOCYBuNkSnaVq6AMsVXaf.jpg)
![IMG_20180623_172859](https://ae01.alicdn.com/kf/HTB1m6cOz7OWBuNjSsppq6xPgpXa8.jpg)