S3 : Services that use battery

[Dolby]

My S3 battery isn't the best and although I know these services takes battery power - I was wondering if anyone had a rough idea of how much power they use if left on constantly?

Bluetooth
Wireless
GPS
NFC

 

[Condescending_Waldo]

NFC: transfers at 15mA, idles at very little.
Low energy Bluetooth: peaks at 15mA, average standby only 1 uA
GPS: after connected uses 4mA
Wifi: Can use up to and over 100mA depending on status/usage