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5W or 5V 1A
on May 18, 2017
Q: What's the difference between a $19.99 Amazon 5W USB Official OEM Charger and Power Supply and a $5.95 5V 1A (1000mA) USB port power supply - UL Listed?
A: $14.04 Calling it a 5W charger rather than a 5V 1A charger is a distinction without a difference.