Factory Part Number:
312-0186
N855P
U164P

Compatible Models:
Studio 17
Studio 1745
Studio 1747
Studio 1749

Shipping Information:
We ship to worldwide range and the shipping is also free unless you request express delivery. The delivery to US will take about 6-10 business days by DHL eCommerce, and to the other most countries usually takes about 7~14 business days.

All packages will come with a tracking number, you will get an email of shipping information including the tracking number once your order is shipped out from our warehouse.

Please find the detail of the express as below:

Express Company	Estimated Delivery Time	Cost
EMS	5-10 business days	$28
UPS/DHL/Fedex	3-6 business days	$30

If your address can't be reached by above express company, please contact us by order@battery-adapter.com and inform us of your express company.