If there is any heavy item, we will use different courier service like: - Yodel, Parcelforce, UKMail. It depends on the post-code and which courier has best service there.In case of additional surcharge, we will contact you. We will provide the best customer services to handle your query and resolve it ASAP, all of your massages will be answered in timely manors. We always try to dispatched the item ASAP, if you like the item to be delivered on different address please update the address before you press the pay button, option is available to change/add new address. We guarantee you, once you use our services you will always come back. It is safe for you to pay via Pay Pal. You can use 4.74A instead of 3.42A and it will not harm the laptop, as laptop uses only what it requires. If require any help please use, ask question option and send us a message. In any circumstances our maximum liability will not exceed more then the original price paid. If item does not turns up with in above estimated times, please inform u. This item is in the category "Business, Office & Industrial\Retail & Shop Fitting\Shelving & Racking". The seller is "ukedeals" and is located in this country: GB. This item can be shipped to United Kingdom.