@Fubar Yep, more than delighted...if the 9000maH can do three charges then the 12000maH should do 4...
plus you can give it a quick charge overnight to top in hostel wherever.
I normally turn off all internet connection if I'm out in poor coverage, sadly the phone still uses some power searching when it keeps losing the network...
I ended up getting a proper Etrex gps for when I'm our wandering the hills and save my phone for either the summit or back in civilisation...
Mines is a Tecknet, cheap cheerful and does the job...