Photon -> USB Wall Power Adapter which Amperage?

I m new to photon and the question should be stupid
Can I use any USB wall charger for the device ?
Refering some chargers specs, I notice there are different amperages (0.85 to 2.5 A)…
Does it matter?


Try getting one with at least 500mA, anything below that might become problematic. Anything higher should be just fine :smile:

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