Where do you live? My keyboard looks nothing like yours.Thanks all for your replies. I finally bought the Anker Astro E4 2nd gen:
http://www.ianker.com/product/79AN13K2-UBA
View attachment 587681
Works perfectly giving a 70% charge.
This is the AZERTY french keyboardWhere do you live? My keyboard looks nothing like yours.
Where do you live? My keyboard looks nothing like yours.