Wow, different volts and hertz, eh? Your explanation "hurts"! ;-)
1) USB (and all of the devices the OP mentioned) all use 5 volt DC. This includes mini-usb, micro-usb, and standard usb a-b cables.
2) Re-read what I just wrote. DC. That stands for direct current. Direct current means, hertz does not apply. Hertz refers to cycles between switching polarity on AC, or Alternating Current. 220v/50hz refers to 200 volts, 50 cycles a second the polarity switches from each wire. The same principle for 110/60hz. This is why your response hurts so bad, it doesn't apply to this scenario--DC has fixed polarity.
Wall power adapters, car adapters, computer USB ports all pump out 5 volts and Direct Current power. 5volts is the standard for USB, and nobody differs from that standard--else why conform to a micro-usb connector if you require a different voltage? The only difference is amperage, 500 miliamps, 1500 miliamps (or 1.5 amps as noted by the OP). This was the issue posed by the OP, and noted by previous posters.