The instruction indicates that max 1 Ampere should be used to charge the FP2. Would 1,2 Ampere create a problem - is the FP2 protected to prevent overcharging (like most/all other phones)?
I’m usually charging with a 2 A charger (since a year), everything works fine. I think 1 A is rather recommended as minimum.
You may also want to have a look at this:
https://fairphone.zendesk.com/hc/en-us/articles/207891033-The-right-charging-equipment-for-your-Fairphone-2
and this:
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