Hi
I have lost the charger to my laptop, which is a Lenovo ideapad 520S.
I don't know how interchangeable the chargers are between different models, but the power requirements on the back of the laptop say that it requires an input of 20V 2.25A it looks like it takes a 3.5mm jackplug.
I've downloaded an image of what it looks like and attached it to this post, but I'm sure that any kind of AC adapter/charger that meets the above specs would work.
I am based on the border of Hackney/Islington, and of course I will come to collect it at a time that is most convenient for you.
Thanks in advance.

Charger for Lenovo Laptop (ideapad 520S) (Hoxton N1)